Home / 988,648,625.70-1,482,972,938.55-759,772,952.10

Finding the Fourth Proportional to 988,648,625.70, 1,482,972,938.55 and 759,772,952.10

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Solution

The fourth proportional to 988,648,625.70, 1,482,972,938.55 and 759,772,952.10 is: 1,139,659,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,648,625.70 : 1,482,972,938.55 = 759,772,952.10 : x
  2. Step 2: Convert to fraction form
    988,648,625.70/1,482,972,938.55 = 759,772,952.10/x
  3. Step 3: Cross multiply
    988,648,625.70x = 1,482,972,938.55 × 759,772,952.10
  4. Step 4: Simplify right side
    988,648,625.70x = 1,126,722,727,406,545,408
  5. Step 5: Solve for x
    x = 1,126,722,727,406,545,408/988,648,625.70
  6. Step 6: Final answer
    x = 1,139,659,428.15

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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.