Home / 1,563,620,737.12-2,345,719,446.30-514,417,991.20

Finding the Fourth Proportional to 1,563,620,737.12, 2,345,719,446.30 and 514,417,991.20

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Solution

The fourth proportional to 1,563,620,737.12, 2,345,719,446.30 and 514,417,991.20 is: 771,721,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,620,737.12 : 2,345,719,446.30 = 514,417,991.20 : x
  2. Step 2: Convert to fraction form
    1,563,620,737.12/2,345,719,446.30 = 514,417,991.20/x
  3. Step 3: Cross multiply
    1,563,620,737.12x = 2,345,719,446.30 × 514,417,991.20
  4. Step 4: Simplify right side
    1,563,620,737.12x = 1,206,680,285,484,422,400
  5. Step 5: Solve for x
    x = 1,206,680,285,484,422,400/1,563,620,737.12
  6. Step 6: Final answer
    x = 771,721,848.42

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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.