Home / 757,804,520.65-1,136,706,780.98-512,916,507.85

Finding the Fourth Proportional to 757,804,520.65, 1,136,706,780.98 and 512,916,507.85

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Solution

The fourth proportional to 757,804,520.65, 1,136,706,780.98 and 512,916,507.85 is: 769,374,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,520.65 : 1,136,706,780.98 = 512,916,507.85 : x
  2. Step 2: Convert to fraction form
    757,804,520.65/1,136,706,780.98 = 512,916,507.85/x
  3. Step 3: Cross multiply
    757,804,520.65x = 1,136,706,780.98 × 512,916,507.85
  4. Step 4: Simplify right side
    757,804,520.65x = 583,035,672,549,676,416
  5. Step 5: Solve for x
    x = 583,035,672,549,676,416/757,804,520.65
  6. Step 6: Final answer
    x = 769,374,761.78

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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.