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Finding the Fourth Proportional to 442,580,703.90, 663,861,939.40 and 147,497,252.90

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Solution

The fourth proportional to 442,580,703.90, 663,861,939.40 and 147,497,252.90 is: 221,242,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,580,703.90 : 663,861,939.40 = 147,497,252.90 : x
  2. Step 2: Convert to fraction form
    442,580,703.90/663,861,939.40 = 147,497,252.90/x
  3. Step 3: Cross multiply
    442,580,703.90x = 663,861,939.40 × 147,497,252.90
  4. Step 4: Simplify right side
    442,580,703.90x = 97,917,812,362,309,488
  5. Step 5: Solve for x
    x = 97,917,812,362,309,488/442,580,703.90
  6. Step 6: Final answer
    x = 221,242,841.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.