Home / 661,425,017.52-912,759,280.38-364,060,902

Finding the Fourth Proportional to 661,425,017.52, 912,759,280.38 and 364,060,902

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Solution

The fourth proportional to 661,425,017.52, 912,759,280.38 and 364,060,902 is: 502,400,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,425,017.52 : 912,759,280.38 = 364,060,902 : x
  2. Step 2: Convert to fraction form
    661,425,017.52/912,759,280.38 = 364,060,902/x
  3. Step 3: Cross multiply
    661,425,017.52x = 912,759,280.38 × 364,060,902
  4. Step 4: Simplify right side
    661,425,017.52x = 332,299,966,924,013,696
  5. Step 5: Solve for x
    x = 332,299,966,924,013,696/661,425,017.52
  6. Step 6: Final answer
    x = 502,400,057.64

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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.