Home / 868,132,034.10-1,303,709,705.55-459,985,346.10

Finding the Fourth Proportional to 868,132,034.10, 1,303,709,705.55 and 459,985,346.10

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Solution

The fourth proportional to 868,132,034.10, 1,303,709,705.55 and 459,985,346.10 is: 690,778,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,132,034.10 : 1,303,709,705.55 = 459,985,346.10 : x
  2. Step 2: Convert to fraction form
    868,132,034.10/1,303,709,705.55 = 459,985,346.10/x
  3. Step 3: Cross multiply
    868,132,034.10x = 1,303,709,705.55 × 459,985,346.10
  4. Step 4: Simplify right side
    868,132,034.10x = 599,687,360,121,345,792
  5. Step 5: Solve for x
    x = 599,687,360,121,345,792/868,132,034.10
  6. Step 6: Final answer
    x = 690,778,978.96

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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.