Home / 691,155,251.84-1,037,470,630.84-297,876,165.58

Finding the Fourth Proportional to 691,155,251.84, 1,037,470,630.84 and 297,876,165.58

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Solution

The fourth proportional to 691,155,251.84, 1,037,470,630.84 and 297,876,165.58 is: 447,132,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,155,251.84 : 1,037,470,630.84 = 297,876,165.58 : x
  2. Step 2: Convert to fraction form
    691,155,251.84/1,037,470,630.84 = 297,876,165.58/x
  3. Step 3: Cross multiply
    691,155,251.84x = 1,037,470,630.84 × 297,876,165.58
  4. Step 4: Simplify right side
    691,155,251.84x = 309,037,773,412,891,968
  5. Step 5: Solve for x
    x = 309,037,773,412,891,968/691,155,251.84
  6. Step 6: Final answer
    x = 447,132,207.40

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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.