Home / 1,331,521,456.25-1,835,995,920.05-995,918,454.92

Finding the Fourth Proportional to 1,331,521,456.25, 1,835,995,920.05 and 995,918,454.92

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Solution

The fourth proportional to 1,331,521,456.25, 1,835,995,920.05 and 995,918,454.92 is: 1,373,242,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,521,456.25 : 1,835,995,920.05 = 995,918,454.92 : x
  2. Step 2: Convert to fraction form
    1,331,521,456.25/1,835,995,920.05 = 995,918,454.92/x
  3. Step 3: Cross multiply
    1,331,521,456.25x = 1,835,995,920.05 × 995,918,454.92
  4. Step 4: Simplify right side
    1,331,521,456.25x = 1,828,502,219,942,699,776
  5. Step 5: Solve for x
    x = 1,828,502,219,942,699,776/1,331,521,456.25
  6. Step 6: Final answer
    x = 1,373,242,775.29

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Double scale
Find fourth proportional to 1,331,521,457.25, 1,835,995,921.43 and 995,918,455.92
Similar ratio
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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.