Home / 724,043,992.20-1,086,065,988.30-264,312,097.80

Finding the Fourth Proportional to 724,043,992.20, 1,086,065,988.30 and 264,312,097.80

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Solution

The fourth proportional to 724,043,992.20, 1,086,065,988.30 and 264,312,097.80 is: 396,468,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,043,992.20 : 1,086,065,988.30 = 264,312,097.80 : x
  2. Step 2: Convert to fraction form
    724,043,992.20/1,086,065,988.30 = 264,312,097.80/x
  3. Step 3: Cross multiply
    724,043,992.20x = 1,086,065,988.30 × 264,312,097.80
  4. Step 4: Simplify right side
    724,043,992.20x = 287,060,379,716,803,264
  5. Step 5: Solve for x
    x = 287,060,379,716,803,264/724,043,992.20
  6. Step 6: Final answer
    x = 396,468,146.70

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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.