Home / 955,593,280.98-1,431,929,737.17-643,547,069.01

Finding the Fourth Proportional to 955,593,280.98, 1,431,929,737.17 and 643,547,069.01

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Solution

The fourth proportional to 955,593,280.98, 1,431,929,737.17 and 643,547,069.01 is: 964,337,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,593,280.98 : 1,431,929,737.17 = 643,547,069.01 : x
  2. Step 2: Convert to fraction form
    955,593,280.98/1,431,929,737.17 = 643,547,069.01/x
  3. Step 3: Cross multiply
    955,593,280.98x = 1,431,929,737.17 × 643,547,069.01
  4. Step 4: Simplify right side
    955,593,280.98x = 921,514,185,384,013,184
  5. Step 5: Solve for x
    x = 921,514,185,384,013,184/955,593,280.98
  6. Step 6: Final answer
    x = 964,337,238.16

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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.