Home / 565,107,446-779,673,010.92-329,988,499.76

Finding the Fourth Proportional to 565,107,446, 779,673,010.92 and 329,988,499.76

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Solution

The fourth proportional to 565,107,446, 779,673,010.92 and 329,988,499.76 is: 455,281,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,107,446 : 779,673,010.92 = 329,988,499.76 : x
  2. Step 2: Convert to fraction form
    565,107,446/779,673,010.92 = 329,988,499.76/x
  3. Step 3: Cross multiply
    565,107,446x = 779,673,010.92 × 329,988,499.76
  4. Step 4: Simplify right side
    565,107,446x = 257,283,127,176,852,864
  5. Step 5: Solve for x
    x = 257,283,127,176,852,864/565,107,446
  6. Step 6: Final answer
    x = 455,281,785.79

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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.