Home / 1,123,230,156.60-1,681,566,834.15-655,458,150.36

Finding the Fourth Proportional to 1,123,230,156.60, 1,681,566,834.15 and 655,458,150.36

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Solution

The fourth proportional to 1,123,230,156.60, 1,681,566,834.15 and 655,458,150.36 is: 981,274,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,230,156.60 : 1,681,566,834.15 = 655,458,150.36 : x
  2. Step 2: Convert to fraction form
    1,123,230,156.60/1,681,566,834.15 = 655,458,150.36/x
  3. Step 3: Cross multiply
    1,123,230,156.60x = 1,681,566,834.15 × 655,458,150.36
  4. Step 4: Simplify right side
    1,123,230,156.60x = 1,102,196,686,818,679,936
  5. Step 5: Solve for x
    x = 1,102,196,686,818,679,936/1,123,230,156.60
  6. Step 6: Final answer
    x = 981,274,122.98

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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.