Home / 295,264,830.60-442,897,245.90-280,484,209.80

Finding the Fourth Proportional to 295,264,830.60, 442,897,245.90 and 280,484,209.80

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Solution

The fourth proportional to 295,264,830.60, 442,897,245.90 and 280,484,209.80 is: 420,726,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,264,830.60 : 442,897,245.90 = 280,484,209.80 : x
  2. Step 2: Convert to fraction form
    295,264,830.60/442,897,245.90 = 280,484,209.80/x
  3. Step 3: Cross multiply
    295,264,830.60x = 442,897,245.90 × 280,484,209.80
  4. Step 4: Simplify right side
    295,264,830.60x = 124,225,684,038,857,792
  5. Step 5: Solve for x
    x = 124,225,684,038,857,792/295,264,830.60
  6. Step 6: Final answer
    x = 420,726,314.70

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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.