Home / 792,936,009.40-1,189,404,014.10-482,999,618.20

Finding the Fourth Proportional to 792,936,009.40, 1,189,404,014.10 and 482,999,618.20

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Solution

The fourth proportional to 792,936,009.40, 1,189,404,014.10 and 482,999,618.20 is: 724,499,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,936,009.40 : 1,189,404,014.10 = 482,999,618.20 : x
  2. Step 2: Convert to fraction form
    792,936,009.40/1,189,404,014.10 = 482,999,618.20/x
  3. Step 3: Cross multiply
    792,936,009.40x = 1,189,404,014.10 × 482,999,618.20
  4. Step 4: Simplify right side
    792,936,009.40x = 574,481,684,695,847,360
  5. Step 5: Solve for x
    x = 574,481,684,695,847,360/792,936,009.40
  6. Step 6: Final answer
    x = 724,499,427.30

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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.