Home / 1,309,332,957.90-1,964,367,902.61-572,467,572.78

Finding the Fourth Proportional to 1,309,332,957.90, 1,964,367,902.61 and 572,467,572.78

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Solution

The fourth proportional to 1,309,332,957.90, 1,964,367,902.61 and 572,467,572.78 is: 858,862,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,332,957.90 : 1,964,367,902.61 = 572,467,572.78 : x
  2. Step 2: Convert to fraction form
    1,309,332,957.90/1,964,367,902.61 = 572,467,572.78/x
  3. Step 3: Cross multiply
    1,309,332,957.90x = 1,964,367,902.61 × 572,467,572.78
  4. Step 4: Simplify right side
    1,309,332,957.90x = 1,124,536,925,254,086,016
  5. Step 5: Solve for x
    x = 1,124,536,925,254,086,016/1,309,332,957.90
  6. Step 6: Final answer
    x = 858,862,460.06

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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.