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Finding the Fourth Proportional to 610,416,609.30, 915,680,901.15 and 201,473,658.90

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Solution

The fourth proportional to 610,416,609.30, 915,680,901.15 and 201,473,658.90 is: 302,228,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,416,609.30 : 915,680,901.15 = 201,473,658.90 : x
  2. Step 2: Convert to fraction form
    610,416,609.30/915,680,901.15 = 201,473,658.90/x
  3. Step 3: Cross multiply
    610,416,609.30x = 915,680,901.15 × 201,473,658.90
  4. Step 4: Simplify right side
    610,416,609.30x = 184,485,581,539,539,712
  5. Step 5: Solve for x
    x = 184,485,581,539,539,712/610,416,609.30
  6. Step 6: Final answer
    x = 302,228,967.44

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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.