Home / 708,533,630.66-1,062,728,687.79-191,016,384.86

Finding the Fourth Proportional to 708,533,630.66, 1,062,728,687.79 and 191,016,384.86

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Solution

The fourth proportional to 708,533,630.66, 1,062,728,687.79 and 191,016,384.86 is: 286,505,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,533,630.66 : 1,062,728,687.79 = 191,016,384.86 : x
  2. Step 2: Convert to fraction form
    708,533,630.66/1,062,728,687.79 = 191,016,384.86/x
  3. Step 3: Cross multiply
    708,533,630.66x = 1,062,728,687.79 × 191,016,384.86
  4. Step 4: Simplify right side
    708,533,630.66x = 202,998,592,031,314,240
  5. Step 5: Solve for x
    x = 202,998,592,031,314,240/708,533,630.66
  6. Step 6: Final answer
    x = 286,505,231.72

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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.