Home / 991,197,078.80-1,486,795,618.20-532,032,054.80

Finding the Fourth Proportional to 991,197,078.80, 1,486,795,618.20 and 532,032,054.80

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Solution

The fourth proportional to 991,197,078.80, 1,486,795,618.20 and 532,032,054.80 is: 798,048,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,197,078.80 : 1,486,795,618.20 = 532,032,054.80 : x
  2. Step 2: Convert to fraction form
    991,197,078.80/1,486,795,618.20 = 532,032,054.80/x
  3. Step 3: Cross multiply
    991,197,078.80x = 1,486,795,618.20 × 532,032,054.80
  4. Step 4: Simplify right side
    991,197,078.80x = 791,022,927,818,582,272
  5. Step 5: Solve for x
    x = 791,022,927,818,582,272/991,197,078.80
  6. Step 6: Final answer
    x = 798,048,082.20

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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.