Home / 1,259,760,898.20-1,889,641,347.30-493,856,002.20

Finding the Fourth Proportional to 1,259,760,898.20, 1,889,641,347.30 and 493,856,002.20

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Solution

The fourth proportional to 1,259,760,898.20, 1,889,641,347.30 and 493,856,002.20 is: 740,784,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,760,898.20 : 1,889,641,347.30 = 493,856,002.20 : x
  2. Step 2: Convert to fraction form
    1,259,760,898.20/1,889,641,347.30 = 493,856,002.20/x
  3. Step 3: Cross multiply
    1,259,760,898.20x = 1,889,641,347.30 × 493,856,002.20
  4. Step 4: Simplify right side
    1,259,760,898.20x = 933,210,721,369,399,680
  5. Step 5: Solve for x
    x = 933,210,721,369,399,680/1,259,760,898.20
  6. Step 6: Final answer
    x = 740,784,003.30

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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.