Home / 527,623,624.54-791,442,172.31-139,443,101.10

Finding the Fourth Proportional to 527,623,624.54, 791,442,172.31 and 139,443,101.10

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Solution

The fourth proportional to 527,623,624.54, 791,442,172.31 and 139,443,101.10 is: 209,166,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,623,624.54 : 791,442,172.31 = 139,443,101.10 : x
  2. Step 2: Convert to fraction form
    527,623,624.54/791,442,172.31 = 139,443,101.10/x
  3. Step 3: Cross multiply
    527,623,624.54x = 791,442,172.31 × 139,443,101.10
  4. Step 4: Simplify right side
    527,623,624.54x = 110,361,150,843,572,512
  5. Step 5: Solve for x
    x = 110,361,150,843,572,512/527,623,624.54
  6. Step 6: Final answer
    x = 209,166,431.74

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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.