Home / 966,654,009.40-1,449,981,014.10-599,321,990.20

Finding the Fourth Proportional to 966,654,009.40, 1,449,981,014.10 and 599,321,990.20

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Solution

The fourth proportional to 966,654,009.40, 1,449,981,014.10 and 599,321,990.20 is: 898,982,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,654,009.40 : 1,449,981,014.10 = 599,321,990.20 : x
  2. Step 2: Convert to fraction form
    966,654,009.40/1,449,981,014.10 = 599,321,990.20/x
  3. Step 3: Cross multiply
    966,654,009.40x = 1,449,981,014.10 × 599,321,990.20
  4. Step 4: Simplify right side
    966,654,009.40x = 869,005,507,122,626,304
  5. Step 5: Solve for x
    x = 869,005,507,122,626,304/966,654,009.40
  6. Step 6: Final answer
    x = 898,982,985.30

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Half scale
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Double scale
Find fourth proportional to 966,654,010.40, 1,449,981,015.60 and 599,321,991.20
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.