Home / 514,508,499.05-771,761,221.61-146,043,763.20

Finding the Fourth Proportional to 514,508,499.05, 771,761,221.61 and 146,043,763.20

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Solution

The fourth proportional to 514,508,499.05, 771,761,221.61 and 146,043,763.20 is: 219,065,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,508,499.05 : 771,761,221.61 = 146,043,763.20 : x
  2. Step 2: Convert to fraction form
    514,508,499.05/771,761,221.61 = 146,043,763.20/x
  3. Step 3: Cross multiply
    514,508,499.05x = 771,761,221.61 × 146,043,763.20
  4. Step 4: Simplify right side
    514,508,499.05x = 112,710,913,095,023,344
  5. Step 5: Solve for x
    x = 112,710,913,095,023,344/514,508,499.05
  6. Step 6: Final answer
    x = 219,065,211.37

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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.