Home / 1,129,397,263.20-1,558,753,142.22-940,926,696.48

Finding the Fourth Proportional to 1,129,397,263.20, 1,558,753,142.22 and 940,926,696.48

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Solution

The fourth proportional to 1,129,397,263.20, 1,558,753,142.22 and 940,926,696.48 is: 1,298,632,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,397,263.20 : 1,558,753,142.22 = 940,926,696.48 : x
  2. Step 2: Convert to fraction form
    1,129,397,263.20/1,558,753,142.22 = 940,926,696.48/x
  3. Step 3: Cross multiply
    1,129,397,263.20x = 1,558,753,142.22 × 940,926,696.48
  4. Step 4: Simplify right side
    1,129,397,263.20x = 1,466,672,444,736,884,224
  5. Step 5: Solve for x
    x = 1,466,672,444,736,884,224/1,129,397,263.20
  6. Step 6: Final answer
    x = 1,298,632,901.39

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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.