Home / 1,308,103,899.92-1,961,365,527.62-521,278,599.32

Finding the Fourth Proportional to 1,308,103,899.92, 1,961,365,527.62 and 521,278,599.32

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Solution

The fourth proportional to 1,308,103,899.92, 1,961,365,527.62 and 521,278,599.32 is: 781,602,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,103,899.92 : 1,961,365,527.62 = 521,278,599.32 : x
  2. Step 2: Convert to fraction form
    1,308,103,899.92/1,961,365,527.62 = 521,278,599.32/x
  3. Step 3: Cross multiply
    1,308,103,899.92x = 1,961,365,527.62 × 521,278,599.32
  4. Step 4: Simplify right side
    1,308,103,899.92x = 1,022,417,874,989,680,000
  5. Step 5: Solve for x
    x = 1,022,417,874,989,680,000/1,308,103,899.92
  6. Step 6: Final answer
    x = 781,602,956.04

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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.