Home / 1,580,550,390-2,181,159,538.20-885,189,366

Finding the Fourth Proportional to 1,580,550,390, 2,181,159,538.20 and 885,189,366

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Solution

The fourth proportional to 1,580,550,390, 2,181,159,538.20 and 885,189,366 is: 1,221,561,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,550,390 : 2,181,159,538.20 = 885,189,366 : x
  2. Step 2: Convert to fraction form
    1,580,550,390/2,181,159,538.20 = 885,189,366/x
  3. Step 3: Cross multiply
    1,580,550,390x = 2,181,159,538.20 × 885,189,366
  4. Step 4: Simplify right side
    1,580,550,390x = 1,930,739,228,764,110,592
  5. Step 5: Solve for x
    x = 1,930,739,228,764,110,592/1,580,550,390
  6. Step 6: Final answer
    x = 1,221,561,325.08

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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.