Home / 1,555,071,000-2,146,042,769.76-859,754,765.76

Finding the Fourth Proportional to 1,555,071,000, 2,146,042,769.76 and 859,754,765.76

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Solution

The fourth proportional to 1,555,071,000, 2,146,042,769.76 and 859,754,765.76 is: 1,186,486,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,071,000 : 2,146,042,769.76 = 859,754,765.76 : x
  2. Step 2: Convert to fraction form
    1,555,071,000/2,146,042,769.76 = 859,754,765.76/x
  3. Step 3: Cross multiply
    1,555,071,000x = 2,146,042,769.76 × 859,754,765.76
  4. Step 4: Simplify right side
    1,555,071,000x = 1,845,070,498,825,950,464
  5. Step 5: Solve for x
    x = 1,845,070,498,825,950,464/1,555,071,000
  6. Step 6: Final answer
    x = 1,186,486,339.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.