Home / 747,665,128.58-1,031,836,693.66-425,806,704.72

Finding the Fourth Proportional to 747,665,128.58, 1,031,836,693.66 and 425,806,704.72

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Solution

The fourth proportional to 747,665,128.58, 1,031,836,693.66 and 425,806,704.72 is: 587,646,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,665,128.58 : 1,031,836,693.66 = 425,806,704.72 : x
  2. Step 2: Convert to fraction form
    747,665,128.58/1,031,836,693.66 = 425,806,704.72/x
  3. Step 3: Cross multiply
    747,665,128.58x = 1,031,836,693.66 × 425,806,704.72
  4. Step 4: Simplify right side
    747,665,128.58x = 439,362,982,336,544,704
  5. Step 5: Solve for x
    x = 439,362,982,336,544,704/747,665,128.58
  6. Step 6: Final answer
    x = 587,646,749.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.