Home / 440,347,635.60-660,521,453.40-133,639,256.40

Finding the Fourth Proportional to 440,347,635.60, 660,521,453.40 and 133,639,256.40

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Solution

The fourth proportional to 440,347,635.60, 660,521,453.40 and 133,639,256.40 is: 200,458,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,347,635.60 : 660,521,453.40 = 133,639,256.40 : x
  2. Step 2: Convert to fraction form
    440,347,635.60/660,521,453.40 = 133,639,256.40/x
  3. Step 3: Cross multiply
    440,347,635.60x = 660,521,453.40 × 133,639,256.40
  4. Step 4: Simplify right side
    440,347,635.60x = 88,271,595,868,623,248
  5. Step 5: Solve for x
    x = 88,271,595,868,623,248/440,347,635.60
  6. Step 6: Final answer
    x = 200,458,884.60

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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.