Home / 708,533,648.10-1,062,728,713.85-191,016,402.30

Finding the Fourth Proportional to 708,533,648.10, 1,062,728,713.85 and 191,016,402.30

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Solution

The fourth proportional to 708,533,648.10, 1,062,728,713.85 and 191,016,402.30 is: 286,505,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,533,648.10 : 1,062,728,713.85 = 191,016,402.30 : x
  2. Step 2: Convert to fraction form
    708,533,648.10/1,062,728,713.85 = 191,016,402.30/x
  3. Step 3: Cross multiply
    708,533,648.10x = 1,062,728,713.85 × 191,016,402.30
  4. Step 4: Simplify right side
    708,533,648.10x = 202,998,615,539,578,112
  5. Step 5: Solve for x
    x = 202,998,615,539,578,112/708,533,648.10
  6. Step 6: Final answer
    x = 286,505,257.84

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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.