Home / 631,151,999.40-946,727,999.10-516,360,743.40

Finding the Fourth Proportional to 631,151,999.40, 946,727,999.10 and 516,360,743.40

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Solution

The fourth proportional to 631,151,999.40, 946,727,999.10 and 516,360,743.40 is: 774,541,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,151,999.40 : 946,727,999.10 = 516,360,743.40 : x
  2. Step 2: Convert to fraction form
    631,151,999.40/946,727,999.10 = 516,360,743.40/x
  3. Step 3: Cross multiply
    631,151,999.40x = 946,727,999.10 × 516,360,743.40
  4. Step 4: Simplify right side
    631,151,999.40x = 488,853,173,412,870,528
  5. Step 5: Solve for x
    x = 488,853,173,412,870,528/631,151,999.40
  6. Step 6: Final answer
    x = 774,541,115.10

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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.