Home / 1,344,142,510.12-2,015,869,862.96-398,519,476.82

Finding the Fourth Proportional to 1,344,142,510.12, 2,015,869,862.96 and 398,519,476.82

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Solution

The fourth proportional to 1,344,142,510.12, 2,015,869,862.96 and 398,519,476.82 is: 597,677,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,142,510.12 : 2,015,869,862.96 = 398,519,476.82 : x
  2. Step 2: Convert to fraction form
    1,344,142,510.12/2,015,869,862.96 = 398,519,476.82/x
  3. Step 3: Cross multiply
    1,344,142,510.12x = 2,015,869,862.96 × 398,519,476.82
  4. Step 4: Simplify right side
    1,344,142,510.12x = 803,363,403,125,542,400
  5. Step 5: Solve for x
    x = 803,363,403,125,542,400/1,344,142,510.12
  6. Step 6: Final answer
    x = 597,677,253.03

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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.