Home / 940,141,856-1,296,028,385.86-657,005,236.18

Finding the Fourth Proportional to 940,141,856, 1,296,028,385.86 and 657,005,236.18

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Solution

The fourth proportional to 940,141,856, 1,296,028,385.86 and 657,005,236.18 is: 905,711,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,141,856 : 1,296,028,385.86 = 657,005,236.18 : x
  2. Step 2: Convert to fraction form
    940,141,856/1,296,028,385.86 = 657,005,236.18/x
  3. Step 3: Cross multiply
    940,141,856x = 1,296,028,385.86 × 657,005,236.18
  4. Step 4: Simplify right side
    940,141,856x = 851,497,435,747,933,312
  5. Step 5: Solve for x
    x = 851,497,435,747,933,312/940,141,856
  6. Step 6: Final answer
    x = 905,711,654.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.