Home / 1,259,721,036.80-1,889,581,555.20-1,144,929,780.80

Finding the Fourth Proportional to 1,259,721,036.80, 1,889,581,555.20 and 1,144,929,780.80

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Solution

The fourth proportional to 1,259,721,036.80, 1,889,581,555.20 and 1,144,929,780.80 is: 1,717,394,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,721,036.80 : 1,889,581,555.20 = 1,144,929,780.80 : x
  2. Step 2: Convert to fraction form
    1,259,721,036.80/1,889,581,555.20 = 1,144,929,780.80/x
  3. Step 3: Cross multiply
    1,259,721,036.80x = 1,889,581,555.20 × 1,144,929,780.80
  4. Step 4: Simplify right side
    1,259,721,036.80x = 2,163,438,195,798,859,008
  5. Step 5: Solve for x
    x = 2,163,438,195,798,859,008/1,259,721,036.80
  6. Step 6: Final answer
    x = 1,717,394,671.20

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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.