Home / 1,298,631,498.38-1,792,063,456.20-703,903,213.73

Finding the Fourth Proportional to 1,298,631,498.38, 1,792,063,456.20 and 703,903,213.73

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Solution

The fourth proportional to 1,298,631,498.38, 1,792,063,456.20 and 703,903,213.73 is: 971,360,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,498.38 : 1,792,063,456.20 = 703,903,213.73 : x
  2. Step 2: Convert to fraction form
    1,298,631,498.38/1,792,063,456.20 = 703,903,213.73/x
  3. Step 3: Cross multiply
    1,298,631,498.38x = 1,792,063,456.20 × 703,903,213.73
  4. Step 4: Simplify right side
    1,298,631,498.38x = 1,261,439,226,031,751,168
  5. Step 5: Solve for x
    x = 1,261,439,226,031,751,168/1,298,631,498.38
  6. Step 6: Final answer
    x = 971,360,411.02

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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.