Home / 42,386,588,411.30-63,579,882,616.95-12,942,584,008.10

Finding the Fourth Proportional to 42,386,588,411.30, 63,579,882,616.95 and 12,942,584,008.10

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Solution

The fourth proportional to 42,386,588,411.30, 63,579,882,616.95 and 12,942,584,008.10 is: 19,413,876,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,588,411.30 : 63,579,882,616.95 = 12,942,584,008.10 : x
  2. Step 2: Convert to fraction form
    42,386,588,411.30/63,579,882,616.95 = 12,942,584,008.10/x
  3. Step 3: Cross multiply
    42,386,588,411.30x = 63,579,882,616.95 × 12,942,584,008.10
  4. Step 4: Simplify right side
    42,386,588,411.30x = 822,887,971,995,012,169,728
  5. Step 5: Solve for x
    x = 822,887,971,995,012,169,728/42,386,588,411.30
  6. Step 6: Final answer
    x = 19,413,876,012.15

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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.