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Finding the Fourth Proportional to 543,360,622.60, 815,126,691.06 and 232,470,253.30

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Solution

The fourth proportional to 543,360,622.60, 815,126,691.06 and 232,470,253.30 is: 348,742,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,360,622.60 : 815,126,691.06 = 232,470,253.30 : x
  2. Step 2: Convert to fraction form
    543,360,622.60/815,126,691.06 = 232,470,253.30/x
  3. Step 3: Cross multiply
    543,360,622.60x = 815,126,691.06 × 232,470,253.30
  4. Step 4: Simplify right side
    543,360,622.60x = 189,492,708,342,309,056
  5. Step 5: Solve for x
    x = 189,492,708,342,309,056/543,360,622.60
  6. Step 6: Final answer
    x = 348,742,070.11

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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.