Home / 2,578,953,807.18-3,869,189,687.25-832,123,773.90

Finding the Fourth Proportional to 2,578,953,807.18, 3,869,189,687.25 and 832,123,773.90

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Solution

The fourth proportional to 2,578,953,807.18, 3,869,189,687.25 and 832,123,773.90 is: 1,248,430,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,953,807.18 : 3,869,189,687.25 = 832,123,773.90 : x
  2. Step 2: Convert to fraction form
    2,578,953,807.18/3,869,189,687.25 = 832,123,773.90/x
  3. Step 3: Cross multiply
    2,578,953,807.18x = 3,869,189,687.25 × 832,123,773.90
  4. Step 4: Simplify right side
    2,578,953,807.18x = 3,219,644,724,489,430,528
  5. Step 5: Solve for x
    x = 3,219,644,724,489,430,528/2,578,953,807.18
  6. Step 6: Final answer
    x = 1,248,430,551.77

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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.