Home / 1,478,414,020.60-2,217,621,030.90-896,804,990.20

Finding the Fourth Proportional to 1,478,414,020.60, 2,217,621,030.90 and 896,804,990.20

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Solution

The fourth proportional to 1,478,414,020.60, 2,217,621,030.90 and 896,804,990.20 is: 1,345,207,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,414,020.60 : 2,217,621,030.90 = 896,804,990.20 : x
  2. Step 2: Convert to fraction form
    1,478,414,020.60/2,217,621,030.90 = 896,804,990.20/x
  3. Step 3: Cross multiply
    1,478,414,020.60x = 2,217,621,030.90 × 896,804,990.20
  4. Step 4: Simplify right side
    1,478,414,020.60x = 1,988,773,606,883,588,608
  5. Step 5: Solve for x
    x = 1,988,773,606,883,588,608/1,478,414,020.60
  6. Step 6: Final answer
    x = 1,345,207,485.30

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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.