Home / 42,386,588,438.30-63,579,882,657.45-12,942,584,035.10

Finding the Fourth Proportional to 42,386,588,438.30, 63,579,882,657.45 and 12,942,584,035.10

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Solution

The fourth proportional to 42,386,588,438.30, 63,579,882,657.45 and 12,942,584,035.10 is: 19,413,876,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,588,438.30 : 63,579,882,657.45 = 12,942,584,035.10 : x
  2. Step 2: Convert to fraction form
    42,386,588,438.30/63,579,882,657.45 = 12,942,584,035.10/x
  3. Step 3: Cross multiply
    42,386,588,438.30x = 63,579,882,657.45 × 12,942,584,035.10
  4. Step 4: Simplify right side
    42,386,588,438.30x = 822,887,974,235,843,723,264
  5. Step 5: Solve for x
    x = 822,887,974,235,843,723,264/42,386,588,438.30
  6. Step 6: Final answer
    x = 19,413,876,052.65

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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.