Home / 834,904,600.20-1,251,953,325.90-309,911,692.68

Finding the Fourth Proportional to 834,904,600.20, 1,251,953,325.90 and 309,911,692.68

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Solution

The fourth proportional to 834,904,600.20, 1,251,953,325.90 and 309,911,692.68 is: 464,717,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,904,600.20 : 1,251,953,325.90 = 309,911,692.68 : x
  2. Step 2: Convert to fraction form
    834,904,600.20/1,251,953,325.90 = 309,911,692.68/x
  3. Step 3: Cross multiply
    834,904,600.20x = 1,251,953,325.90 × 309,911,692.68
  4. Step 4: Simplify right side
    834,904,600.20x = 387,994,974,386,024,704
  5. Step 5: Solve for x
    x = 387,994,974,386,024,704/834,904,600.20
  6. Step 6: Final answer
    x = 464,717,734.57

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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.