Home / 542,594,845.60-813,942,034.80-179,090,000.80

Finding the Fourth Proportional to 542,594,845.60, 813,942,034.80 and 179,090,000.80

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Solution

The fourth proportional to 542,594,845.60, 813,942,034.80 and 179,090,000.80 is: 268,651,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,594,845.60 : 813,942,034.80 = 179,090,000.80 : x
  2. Step 2: Convert to fraction form
    542,594,845.60/813,942,034.80 = 179,090,000.80/x
  3. Step 3: Cross multiply
    542,594,845.60x = 813,942,034.80 × 179,090,000.80
  4. Step 4: Simplify right side
    542,594,845.60x = 145,768,879,663,485,632
  5. Step 5: Solve for x
    x = 145,768,879,663,485,632/542,594,845.60
  6. Step 6: Final answer
    x = 268,651,427.20

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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.