Home / 295,264,840.60-442,897,260.90-280,484,219.80

Finding the Fourth Proportional to 295,264,840.60, 442,897,260.90 and 280,484,219.80

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Solution

The fourth proportional to 295,264,840.60, 442,897,260.90 and 280,484,219.80 is: 420,726,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,264,840.60 : 442,897,260.90 = 280,484,219.80 : x
  2. Step 2: Convert to fraction form
    295,264,840.60/442,897,260.90 = 280,484,219.80/x
  3. Step 3: Cross multiply
    295,264,840.60x = 442,897,260.90 × 280,484,219.80
  4. Step 4: Simplify right side
    295,264,840.60x = 124,225,692,675,093,552
  5. Step 5: Solve for x
    x = 124,225,692,675,093,552/295,264,840.60
  6. Step 6: Final answer
    x = 420,726,329.70

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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.