Home / 572,022,072.60-858,033,108.90-442,881,909.60

Finding the Fourth Proportional to 572,022,072.60, 858,033,108.90 and 442,881,909.60

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Solution

The fourth proportional to 572,022,072.60, 858,033,108.90 and 442,881,909.60 is: 664,322,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022,072.60 : 858,033,108.90 = 442,881,909.60 : x
  2. Step 2: Convert to fraction form
    572,022,072.60/858,033,108.90 = 442,881,909.60/x
  3. Step 3: Cross multiply
    572,022,072.60x = 858,033,108.90 × 442,881,909.60
  4. Step 4: Simplify right side
    572,022,072.60x = 380,007,341,769,656,768
  5. Step 5: Solve for x
    x = 380,007,341,769,656,768/572,022,072.60
  6. Step 6: Final answer
    x = 664,322,864.40

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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.