Home / 747,148,997.40-1,119,211,841.70-517,377,528.60

Finding the Fourth Proportional to 747,148,997.40, 1,119,211,841.70 and 517,377,528.60

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Solution

The fourth proportional to 747,148,997.40, 1,119,211,841.70 and 517,377,528.60 is: 775,019,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,148,997.40 : 1,119,211,841.70 = 517,377,528.60 : x
  2. Step 2: Convert to fraction form
    747,148,997.40/1,119,211,841.70 = 517,377,528.60/x
  3. Step 3: Cross multiply
    747,148,997.40x = 1,119,211,841.70 × 517,377,528.60
  4. Step 4: Simplify right side
    747,148,997.40x = 579,055,056,638,600,448
  5. Step 5: Solve for x
    x = 579,055,056,638,600,448/747,148,997.40
  6. Step 6: Final answer
    x = 775,019,519.07

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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.