Home / 1,555,071,002.50-2,146,042,773.21-859,754,768.26

Finding the Fourth Proportional to 1,555,071,002.50, 2,146,042,773.21 and 859,754,768.26

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Solution

The fourth proportional to 1,555,071,002.50, 2,146,042,773.21 and 859,754,768.26 is: 1,186,486,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,071,002.50 : 2,146,042,773.21 = 859,754,768.26 : x
  2. Step 2: Convert to fraction form
    1,555,071,002.50/2,146,042,773.21 = 859,754,768.26/x
  3. Step 3: Cross multiply
    1,555,071,002.50x = 2,146,042,773.21 × 859,754,768.26
  4. Step 4: Simplify right side
    1,555,071,002.50x = 1,845,070,507,157,211,392
  5. Step 5: Solve for x
    x = 1,845,070,507,157,211,392/1,555,071,002.50
  6. Step 6: Final answer
    x = 1,186,486,343.19

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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.