Home / 717,697,610-990,423,100.35-387,672,752.24

Finding the Fourth Proportional to 717,697,610, 990,423,100.35 and 387,672,752.24

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Solution

The fourth proportional to 717,697,610, 990,423,100.35 and 387,672,752.24 is: 534,988,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,697,610 : 990,423,100.35 = 387,672,752.24 : x
  2. Step 2: Convert to fraction form
    717,697,610/990,423,100.35 = 387,672,752.24/x
  3. Step 3: Cross multiply
    717,697,610x = 990,423,100.35 × 387,672,752.24
  4. Step 4: Simplify right side
    717,697,610x = 383,960,049,194,758,208
  5. Step 5: Solve for x
    x = 383,960,049,194,758,208/717,697,610
  6. Step 6: Final answer
    x = 534,988,613.37

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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.