Home / 827,141,672.40-1,240,712,508.60-736,743,558.30

Finding the Fourth Proportional to 827,141,672.40, 1,240,712,508.60 and 736,743,558.30

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Solution

The fourth proportional to 827,141,672.40, 1,240,712,508.60 and 736,743,558.30 is: 1,105,115,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,141,672.40 : 1,240,712,508.60 = 736,743,558.30 : x
  2. Step 2: Convert to fraction form
    827,141,672.40/1,240,712,508.60 = 736,743,558.30/x
  3. Step 3: Cross multiply
    827,141,672.40x = 1,240,712,508.60 × 736,743,558.30
  4. Step 4: Simplify right side
    827,141,672.40x = 914,086,948,413,283,200
  5. Step 5: Solve for x
    x = 914,086,948,413,283,200/827,141,672.40
  6. Step 6: Final answer
    x = 1,105,115,337.45

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1.5x scale

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.