Home / 1,121,931,490.60-1,682,897,235.90-747,425,017.90

Finding the Fourth Proportional to 1,121,931,490.60, 1,682,897,235.90 and 747,425,017.90

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Solution

The fourth proportional to 1,121,931,490.60, 1,682,897,235.90 and 747,425,017.90 is: 1,121,137,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,931,490.60 : 1,682,897,235.90 = 747,425,017.90 : x
  2. Step 2: Convert to fraction form
    1,121,931,490.60/1,682,897,235.90 = 747,425,017.90/x
  3. Step 3: Cross multiply
    1,121,931,490.60x = 1,682,897,235.90 × 747,425,017.90
  4. Step 4: Simplify right side
    1,121,931,490.60x = 1,257,839,496,666,418,176
  5. Step 5: Solve for x
    x = 1,257,839,496,666,418,176/1,121,931,490.60
  6. Step 6: Final answer
    x = 1,121,137,526.85

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Double scale
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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.