Home / 918,316,349.50-1,267,264,460-516,429,979.08

Finding the Fourth Proportional to 918,316,349.50, 1,267,264,460 and 516,429,979.08

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Solution

The fourth proportional to 918,316,349.50, 1,267,264,460 and 516,429,979.08 is: 712,666,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,316,349.50 : 1,267,264,460 = 516,429,979.08 : x
  2. Step 2: Convert to fraction form
    918,316,349.50/1,267,264,460 = 516,429,979.08/x
  3. Step 3: Cross multiply
    918,316,349.50x = 1,267,264,460 × 516,429,979.08
  4. Step 4: Simplify right side
    918,316,349.50x = 654,453,358,566,627,456
  5. Step 5: Solve for x
    x = 654,453,358,566,627,456/918,316,349.50
  6. Step 6: Final answer
    x = 712,666,565.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.