Home / 285,450,285.60-428,175,428.40-251,438,061.60

Finding the Fourth Proportional to 285,450,285.60, 428,175,428.40 and 251,438,061.60

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Solution

The fourth proportional to 285,450,285.60, 428,175,428.40 and 251,438,061.60 is: 377,157,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,450,285.60 : 428,175,428.40 = 251,438,061.60 : x
  2. Step 2: Convert to fraction form
    285,450,285.60/428,175,428.40 = 251,438,061.60/x
  3. Step 3: Cross multiply
    285,450,285.60x = 428,175,428.40 × 251,438,061.60
  4. Step 4: Simplify right side
    285,450,285.60x = 107,659,599,741,645,584
  5. Step 5: Solve for x
    x = 107,659,599,741,645,584/285,450,285.60
  6. Step 6: Final answer
    x = 377,157,092.40

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1.5x scale

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.