Home / 1,340,433,982.17-2,010,941,834.85-407,732,588.55

Finding the Fourth Proportional to 1,340,433,982.17, 2,010,941,834.85 and 407,732,588.55

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Solution

The fourth proportional to 1,340,433,982.17, 2,010,941,834.85 and 407,732,588.55 is: 611,687,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,433,982.17 : 2,010,941,834.85 = 407,732,588.55 : x
  2. Step 2: Convert to fraction form
    1,340,433,982.17/2,010,941,834.85 = 407,732,588.55/x
  3. Step 3: Cross multiply
    1,340,433,982.17x = 2,010,941,834.85 × 407,732,588.55
  4. Step 4: Simplify right side
    1,340,433,982.17x = 819,926,519,746,877,056
  5. Step 5: Solve for x
    x = 819,926,519,746,877,056/1,340,433,982.17
  6. Step 6: Final answer
    x = 611,687,356.97

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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.