Home / 560,639,276.40-840,951,041.40-253,930,897.20

Finding the Fourth Proportional to 560,639,276.40, 840,951,041.40 and 253,930,897.20

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Solution

The fourth proportional to 560,639,276.40, 840,951,041.40 and 253,930,897.20 is: 380,892,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,639,276.40 : 840,951,041.40 = 253,930,897.20 : x
  2. Step 2: Convert to fraction form
    560,639,276.40/840,951,041.40 = 253,930,897.20/x
  3. Step 3: Cross multiply
    560,639,276.40x = 840,951,041.40 × 253,930,897.20
  4. Step 4: Simplify right side
    560,639,276.40x = 213,543,452,443,976,320
  5. Step 5: Solve for x
    x = 213,543,452,443,976,320/560,639,276.40
  6. Step 6: Final answer
    x = 380,892,779.78

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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.