Home / 708,849,793.20-1,063,274,689.80-613,298,305.20

Finding the Fourth Proportional to 708,849,793.20, 1,063,274,689.80 and 613,298,305.20

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Solution

The fourth proportional to 708,849,793.20, 1,063,274,689.80 and 613,298,305.20 is: 919,947,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,849,793.20 : 1,063,274,689.80 = 613,298,305.20 : x
  2. Step 2: Convert to fraction form
    708,849,793.20/1,063,274,689.80 = 613,298,305.20/x
  3. Step 3: Cross multiply
    708,849,793.20x = 1,063,274,689.80 × 613,298,305.20
  4. Step 4: Simplify right side
    708,849,793.20x = 652,104,565,216,395,776
  5. Step 5: Solve for x
    x = 652,104,565,216,395,776/708,849,793.20
  6. Step 6: Final answer
    x = 919,947,457.80

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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.