Home / 572,022,049.60-858,033,074.40-442,881,886.60

Finding the Fourth Proportional to 572,022,049.60, 858,033,074.40 and 442,881,886.60

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Solution

The fourth proportional to 572,022,049.60, 858,033,074.40 and 442,881,886.60 is: 664,322,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022,049.60 : 858,033,074.40 = 442,881,886.60 : x
  2. Step 2: Convert to fraction form
    572,022,049.60/858,033,074.40 = 442,881,886.60/x
  3. Step 3: Cross multiply
    572,022,049.60x = 858,033,074.40 × 442,881,886.60
  4. Step 4: Simplify right side
    572,022,049.60x = 380,007,306,755,470,144
  5. Step 5: Solve for x
    x = 380,007,306,755,470,144/572,022,049.60
  6. Step 6: Final answer
    x = 664,322,829.90

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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.