Home / 708,588,849.20-1,062,883,273.80-640,564,401.20

Finding the Fourth Proportional to 708,588,849.20, 1,062,883,273.80 and 640,564,401.20

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Solution

The fourth proportional to 708,588,849.20, 1,062,883,273.80 and 640,564,401.20 is: 960,846,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,849.20 : 1,062,883,273.80 = 640,564,401.20 : x
  2. Step 2: Convert to fraction form
    708,588,849.20/1,062,883,273.80 = 640,564,401.20/x
  3. Step 3: Cross multiply
    708,588,849.20x = 1,062,883,273.80 × 640,564,401.20
  4. Step 4: Simplify right side
    708,588,849.20x = 680,845,187,827,192,704
  5. Step 5: Solve for x
    x = 680,845,187,827,192,704/708,588,849.20
  6. Step 6: Final answer
    x = 960,846,601.80

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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.