Home / 703,512,002.30-1,055,268,003.45-519,845,992.70

Finding the Fourth Proportional to 703,512,002.30, 1,055,268,003.45 and 519,845,992.70

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Solution

The fourth proportional to 703,512,002.30, 1,055,268,003.45 and 519,845,992.70 is: 779,768,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,512,002.30 : 1,055,268,003.45 = 519,845,992.70 : x
  2. Step 2: Convert to fraction form
    703,512,002.30/1,055,268,003.45 = 519,845,992.70/x
  3. Step 3: Cross multiply
    703,512,002.30x = 1,055,268,003.45 × 519,845,992.70
  4. Step 4: Simplify right side
    703,512,002.30x = 548,576,842,818,012,288
  5. Step 5: Solve for x
    x = 548,576,842,818,012,288/703,512,002.30
  6. Step 6: Final answer
    x = 779,768,989.05

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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.