Home / 440,347,627.60-660,521,441.40-133,639,248.40

Finding the Fourth Proportional to 440,347,627.60, 660,521,441.40 and 133,639,248.40

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Solution

The fourth proportional to 440,347,627.60, 660,521,441.40 and 133,639,248.40 is: 200,458,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,347,627.60 : 660,521,441.40 = 133,639,248.40 : x
  2. Step 2: Convert to fraction form
    440,347,627.60/660,521,441.40 = 133,639,248.40/x
  3. Step 3: Cross multiply
    440,347,627.60x = 660,521,441.40 × 133,639,248.40
  4. Step 4: Simplify right side
    440,347,627.60x = 88,271,588,980,780,640
  5. Step 5: Solve for x
    x = 88,271,588,980,780,640/440,347,627.60
  6. Step 6: Final answer
    x = 200,458,872.60

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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.