Home / 6,438,546,673.40-9,657,820,010.10-6,193,658,660.60

Finding the Fourth Proportional to 6,438,546,673.40, 9,657,820,010.10 and 6,193,658,660.60

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Solution

The fourth proportional to 6,438,546,673.40, 9,657,820,010.10 and 6,193,658,660.60 is: 9,290,487,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,546,673.40 : 9,657,820,010.10 = 6,193,658,660.60 : x
  2. Step 2: Convert to fraction form
    6,438,546,673.40/9,657,820,010.10 = 6,193,658,660.60/x
  3. Step 3: Cross multiply
    6,438,546,673.40x = 9,657,820,010.10 × 6,193,658,660.60
  4. Step 4: Simplify right side
    6,438,546,673.40x = 59,817,240,548,071,849,984
  5. Step 5: Solve for x
    x = 59,817,240,548,071,849,984/6,438,546,673.40
  6. Step 6: Final answer
    x = 9,290,487,990.90

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Double scale
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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.