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Finding the Fourth Proportional to 539,709,752.30, 744,731,020.33 and 316,610,033.18

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Solution

The fourth proportional to 539,709,752.30, 744,731,020.33 and 316,610,033.18 is: 436,881,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,709,752.30 : 744,731,020.33 = 316,610,033.18 : x
  2. Step 2: Convert to fraction form
    539,709,752.30/744,731,020.33 = 316,610,033.18/x
  3. Step 3: Cross multiply
    539,709,752.30x = 744,731,020.33 × 316,610,033.18
  4. Step 4: Simplify right side
    539,709,752.30x = 235,789,313,052,341,376
  5. Step 5: Solve for x
    x = 235,789,313,052,341,376/539,709,752.30
  6. Step 6: Final answer
    x = 436,881,698.08

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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.