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Finding the Fourth Proportional to 610,418,445.30, 915,683,655.15 and 201,475,494.90

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Solution

The fourth proportional to 610,418,445.30, 915,683,655.15 and 201,475,494.90 is: 302,231,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,418,445.30 : 915,683,655.15 = 201,475,494.90 : x
  2. Step 2: Convert to fraction form
    610,418,445.30/915,683,655.15 = 201,475,494.90/x
  3. Step 3: Cross multiply
    610,418,445.30x = 915,683,655.15 × 201,475,494.90
  4. Step 4: Simplify right side
    610,418,445.30x = 184,487,817,593,187,200
  5. Step 5: Solve for x
    x = 184,487,817,593,187,200/610,418,445.30
  6. Step 6: Final answer
    x = 302,231,721.56

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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.