Home / 1,074,564,687.20-1,609,159,645.20-859,573,839.20

Finding the Fourth Proportional to 1,074,564,687.20, 1,609,159,645.20 and 859,573,839.20

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Solution

The fourth proportional to 1,074,564,687.20, 1,609,159,645.20 and 859,573,839.20 is: 1,287,211,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,564,687.20 : 1,609,159,645.20 = 859,573,839.20 : x
  2. Step 2: Convert to fraction form
    1,074,564,687.20/1,609,159,645.20 = 859,573,839.20/x
  3. Step 3: Cross multiply
    1,074,564,687.20x = 1,609,159,645.20 × 859,573,839.20
  4. Step 4: Simplify right side
    1,074,564,687.20x = 1,383,191,534,110,274,048
  5. Step 5: Solve for x
    x = 1,383,191,534,110,274,048/1,074,564,687.20
  6. Step 6: Final answer
    x = 1,287,211,045.17

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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.