Home / 1,427,278,520.77-1,969,484,614.29-792,225,778.77

Finding the Fourth Proportional to 1,427,278,520.77, 1,969,484,614.29 and 792,225,778.77

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Solution

The fourth proportional to 1,427,278,520.77, 1,969,484,614.29 and 792,225,778.77 is: 1,093,182,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,278,520.77 : 1,969,484,614.29 = 792,225,778.77 : x
  2. Step 2: Convert to fraction form
    1,427,278,520.77/1,969,484,614.29 = 792,225,778.77/x
  3. Step 3: Cross multiply
    1,427,278,520.77x = 1,969,484,614.29 × 792,225,778.77
  4. Step 4: Simplify right side
    1,427,278,520.77x = 1,560,276,482,333,725,696
  5. Step 5: Solve for x
    x = 1,560,276,482,333,725,696/1,427,278,520.77
  6. Step 6: Final answer
    x = 1,093,182,906.93

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Half scale
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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.