Home / 992,440,940.10-1,488,661,410.15-977,135,439.30

Finding the Fourth Proportional to 992,440,940.10, 1,488,661,410.15 and 977,135,439.30

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Solution

The fourth proportional to 992,440,940.10, 1,488,661,410.15 and 977,135,439.30 is: 1,465,703,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,440,940.10 : 1,488,661,410.15 = 977,135,439.30 : x
  2. Step 2: Convert to fraction form
    992,440,940.10/1,488,661,410.15 = 977,135,439.30/x
  3. Step 3: Cross multiply
    992,440,940.10x = 1,488,661,410.15 × 977,135,439.30
  4. Step 4: Simplify right side
    992,440,940.10x = 1,454,623,820,975,877,632
  5. Step 5: Solve for x
    x = 1,454,623,820,975,877,632/992,440,940.10
  6. Step 6: Final answer
    x = 1,465,703,158.95

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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.