Home / 2,787,810,374.61-4,182,481,788.30-822,663,656.82

Finding the Fourth Proportional to 2,787,810,374.61, 4,182,481,788.30 and 822,663,656.82

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Solution

The fourth proportional to 2,787,810,374.61, 4,182,481,788.30 and 822,663,656.82 is: 1,234,221,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,810,374.61 : 4,182,481,788.30 = 822,663,656.82 : x
  2. Step 2: Convert to fraction form
    2,787,810,374.61/4,182,481,788.30 = 822,663,656.82/x
  3. Step 3: Cross multiply
    2,787,810,374.61x = 4,182,481,788.30 × 822,663,656.82
  4. Step 4: Simplify right side
    2,787,810,374.61x = 3,440,775,762,545,931,264
  5. Step 5: Solve for x
    x = 3,440,775,762,545,931,264/2,787,810,374.61
  6. Step 6: Final answer
    x = 1,234,221,593.36

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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.