Home / 708,592,093.20-1,062,888,139.80-489,780,118.80

Finding the Fourth Proportional to 708,592,093.20, 1,062,888,139.80 and 489,780,118.80

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Solution

The fourth proportional to 708,592,093.20, 1,062,888,139.80 and 489,780,118.80 is: 734,670,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,592,093.20 : 1,062,888,139.80 = 489,780,118.80 : x
  2. Step 2: Convert to fraction form
    708,592,093.20/1,062,888,139.80 = 489,780,118.80/x
  3. Step 3: Cross multiply
    708,592,093.20x = 1,062,888,139.80 × 489,780,118.80
  4. Step 4: Simplify right side
    708,592,093.20x = 520,581,479,382,355,008
  5. Step 5: Solve for x
    x = 520,581,479,382,355,008/708,592,093.20
  6. Step 6: Final answer
    x = 734,670,178.20

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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.