Home / 1,019,448,221.70-1,526,904,850.95-838,049,693.70

Finding the Fourth Proportional to 1,019,448,221.70, 1,526,904,850.95 and 838,049,693.70

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Solution

The fourth proportional to 1,019,448,221.70, 1,526,904,850.95 and 838,049,693.70 is: 1,255,210,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,448,221.70 : 1,526,904,850.95 = 838,049,693.70 : x
  2. Step 2: Convert to fraction form
    1,019,448,221.70/1,526,904,850.95 = 838,049,693.70/x
  3. Step 3: Cross multiply
    1,019,448,221.70x = 1,526,904,850.95 × 838,049,693.70
  4. Step 4: Simplify right side
    1,019,448,221.70x = 1,279,622,142,647,691,776
  5. Step 5: Solve for x
    x = 1,279,622,142,647,691,776/1,019,448,221.70
  6. Step 6: Final answer
    x = 1,255,210,529.98

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Double scale
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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.