Home / 727,665,514.80-1,091,498,272.20-555,478,630.80

Finding the Fourth Proportional to 727,665,514.80, 1,091,498,272.20 and 555,478,630.80

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Solution

The fourth proportional to 727,665,514.80, 1,091,498,272.20 and 555,478,630.80 is: 833,217,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,665,514.80 : 1,091,498,272.20 = 555,478,630.80 : x
  2. Step 2: Convert to fraction form
    727,665,514.80/1,091,498,272.20 = 555,478,630.80/x
  3. Step 3: Cross multiply
    727,665,514.80x = 1,091,498,272.20 × 555,478,630.80
  4. Step 4: Simplify right side
    727,665,514.80x = 606,303,965,762,221,696
  5. Step 5: Solve for x
    x = 606,303,965,762,221,696/727,665,514.80
  6. Step 6: Final answer
    x = 833,217,946.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.