Home / 711,966,718.40-1,067,950,077.60-227,327,998.40

Finding the Fourth Proportional to 711,966,718.40, 1,067,950,077.60 and 227,327,998.40

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Solution

The fourth proportional to 711,966,718.40, 1,067,950,077.60 and 227,327,998.40 is: 340,991,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,966,718.40 : 1,067,950,077.60 = 227,327,998.40 : x
  2. Step 2: Convert to fraction form
    711,966,718.40/1,067,950,077.60 = 227,327,998.40/x
  3. Step 3: Cross multiply
    711,966,718.40x = 1,067,950,077.60 × 227,327,998.40
  4. Step 4: Simplify right side
    711,966,718.40x = 242,774,953,531,932,672
  5. Step 5: Solve for x
    x = 242,774,953,531,932,672/711,966,718.40
  6. Step 6: Final answer
    x = 340,991,997.60

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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.