Home / 904,861,557.46-1,248,700,400.22-502,964,768.62

Finding the Fourth Proportional to 904,861,557.46, 1,248,700,400.22 and 502,964,768.62

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Solution

The fourth proportional to 904,861,557.46, 1,248,700,400.22 and 502,964,768.62 is: 694,086,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,861,557.46 : 1,248,700,400.22 = 502,964,768.62 : x
  2. Step 2: Convert to fraction form
    904,861,557.46/1,248,700,400.22 = 502,964,768.62/x
  3. Step 3: Cross multiply
    904,861,557.46x = 1,248,700,400.22 × 502,964,768.62
  4. Step 4: Simplify right side
    904,861,557.46x = 628,052,307,872,353,664
  5. Step 5: Solve for x
    x = 628,052,307,872,353,664/904,861,557.46
  6. Step 6: Final answer
    x = 694,086,628.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.