Home / 374,070,391.76-516,217,888.68-209,057,956.40

Finding the Fourth Proportional to 374,070,391.76, 516,217,888.68 and 209,057,956.40

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Solution

The fourth proportional to 374,070,391.76, 516,217,888.68 and 209,057,956.40 is: 288,500,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,070,391.76 : 516,217,888.68 = 209,057,956.40 : x
  2. Step 2: Convert to fraction form
    374,070,391.76/516,217,888.68 = 209,057,956.40/x
  3. Step 3: Cross multiply
    374,070,391.76x = 516,217,888.68 × 209,057,956.40
  4. Step 4: Simplify right side
    374,070,391.76x = 107,919,456,864,563,504
  5. Step 5: Solve for x
    x = 107,919,456,864,563,504/374,070,391.76
  6. Step 6: Final answer
    x = 288,500,397.90

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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.