Home / 6,390,685,891.60-9,586,028,837.40-3,672,776,899.60

Finding the Fourth Proportional to 6,390,685,891.60, 9,586,028,837.40 and 3,672,776,899.60

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Solution

The fourth proportional to 6,390,685,891.60, 9,586,028,837.40 and 3,672,776,899.60 is: 5,509,165,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,685,891.60 : 9,586,028,837.40 = 3,672,776,899.60 : x
  2. Step 2: Convert to fraction form
    6,390,685,891.60/9,586,028,837.40 = 3,672,776,899.60/x
  3. Step 3: Cross multiply
    6,390,685,891.60x = 9,586,028,837.40 × 3,672,776,899.60
  4. Step 4: Simplify right side
    6,390,685,891.60x = 35,207,345,272,902,160,384
  5. Step 5: Solve for x
    x = 35,207,345,272,902,160,384/6,390,685,891.60
  6. Step 6: Final answer
    x = 5,509,165,349.40

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Half scale
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Double scale
Find fourth proportional to 6,390,685,892.60, 9,586,028,838.90 and 3,672,776,900.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.