Home / 442,868,023.60-664,302,035.40-440,317,106.80

Finding the Fourth Proportional to 442,868,023.60, 664,302,035.40 and 440,317,106.80

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Solution

The fourth proportional to 442,868,023.60, 664,302,035.40 and 440,317,106.80 is: 660,475,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,023.60 : 664,302,035.40 = 440,317,106.80 : x
  2. Step 2: Convert to fraction form
    442,868,023.60/664,302,035.40 = 440,317,106.80/x
  3. Step 3: Cross multiply
    442,868,023.60x = 664,302,035.40 × 440,317,106.80
  4. Step 4: Simplify right side
    442,868,023.60x = 292,503,550,268,679,168
  5. Step 5: Solve for x
    x = 292,503,550,268,679,168/442,868,023.60
  6. Step 6: Final answer
    x = 660,475,660.20

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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.