Home / 940,141,961.28-1,296,028,529.82-657,005,345.10

Finding the Fourth Proportional to 940,141,961.28, 1,296,028,529.82 and 657,005,345.10

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Solution

The fourth proportional to 940,141,961.28, 1,296,028,529.82 and 657,005,345.10 is: 905,711,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,141,961.28 : 1,296,028,529.82 = 657,005,345.10 : x
  2. Step 2: Convert to fraction form
    940,141,961.28/1,296,028,529.82 = 657,005,345.10/x
  3. Step 3: Cross multiply
    940,141,961.28x = 1,296,028,529.82 × 657,005,345.10
  4. Step 4: Simplify right side
    940,141,961.28x = 851,497,671,493,834,752
  5. Step 5: Solve for x
    x = 851,497,671,493,834,752/940,141,961.28
  6. Step 6: Final answer
    x = 905,711,803.71

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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.