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Finding the Fourth Proportional to 360,803,487.60, 497,908,812.93 and 195,791,057.10

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Solution

The fourth proportional to 360,803,487.60, 497,908,812.93 and 195,791,057.10 is: 270,191,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803,487.60 : 497,908,812.93 = 195,791,057.10 : x
  2. Step 2: Convert to fraction form
    360,803,487.60/497,908,812.93 = 195,791,057.10/x
  3. Step 3: Cross multiply
    360,803,487.60x = 497,908,812.93 × 195,791,057.10
  4. Step 4: Simplify right side
    360,803,487.60x = 97,486,092,822,970,848
  5. Step 5: Solve for x
    x = 97,486,092,822,970,848/360,803,487.60
  6. Step 6: Final answer
    x = 270,191,658.82

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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.