Home / 691,386,008.60-1,037,079,012.90-691,386,008.60

Finding the Fourth Proportional to 691,386,008.60, 1,037,079,012.90 and 691,386,008.60

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Solution

The fourth proportional to 691,386,008.60, 1,037,079,012.90 and 691,386,008.60 is: 1,037,079,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,386,008.60 : 1,037,079,012.90 = 691,386,008.60 : x
  2. Step 2: Convert to fraction form
    691,386,008.60/1,037,079,012.90 = 691,386,008.60/x
  3. Step 3: Cross multiply
    691,386,008.60x = 1,037,079,012.90 × 691,386,008.60
  4. Step 4: Simplify right side
    691,386,008.60x = 717,021,919,331,758,976
  5. Step 5: Solve for x
    x = 717,021,919,331,758,976/691,386,008.60
  6. Step 6: Final answer
    x = 1,037,079,012.90

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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.