Home / 638,616,004.80-957,924,007.20-569,741,251.20

Finding the Fourth Proportional to 638,616,004.80, 957,924,007.20 and 569,741,251.20

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Solution

The fourth proportional to 638,616,004.80, 957,924,007.20 and 569,741,251.20 is: 854,611,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,616,004.80 : 957,924,007.20 = 569,741,251.20 : x
  2. Step 2: Convert to fraction form
    638,616,004.80/957,924,007.20 = 569,741,251.20/x
  3. Step 3: Cross multiply
    638,616,004.80x = 957,924,007.20 × 569,741,251.20
  4. Step 4: Simplify right side
    638,616,004.80x = 545,768,822,416,645,888
  5. Step 5: Solve for x
    x = 545,768,822,416,645,888/638,616,004.80
  6. Step 6: Final answer
    x = 854,611,876.80

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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.