Home / 1,331,521,456.76-1,835,995,920.74-995,918,455.43

Finding the Fourth Proportional to 1,331,521,456.76, 1,835,995,920.74 and 995,918,455.43

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Solution

The fourth proportional to 1,331,521,456.76, 1,835,995,920.74 and 995,918,455.43 is: 1,373,242,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,521,456.76 : 1,835,995,920.74 = 995,918,455.43 : x
  2. Step 2: Convert to fraction form
    1,331,521,456.76/1,835,995,920.74 = 995,918,455.43/x
  3. Step 3: Cross multiply
    1,331,521,456.76x = 1,835,995,920.74 × 995,918,455.43
  4. Step 4: Simplify right side
    1,331,521,456.76x = 1,828,502,221,549,981,440
  5. Step 5: Solve for x
    x = 1,828,502,221,549,981,440/1,331,521,456.76
  6. Step 6: Final answer
    x = 1,373,242,775.98

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Double scale
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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.