Home / 940,141,859.50-1,296,028,390.68-657,005,239.68

Finding the Fourth Proportional to 940,141,859.50, 1,296,028,390.68 and 657,005,239.68

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Solution

The fourth proportional to 940,141,859.50, 1,296,028,390.68 and 657,005,239.68 is: 905,711,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,141,859.50 : 1,296,028,390.68 = 657,005,239.68 : x
  2. Step 2: Convert to fraction form
    940,141,859.50/1,296,028,390.68 = 657,005,239.68/x
  3. Step 3: Cross multiply
    940,141,859.50x = 1,296,028,390.68 × 657,005,239.68
  4. Step 4: Simplify right side
    940,141,859.50x = 851,497,443,450,798,080
  5. Step 5: Solve for x
    x = 851,497,443,450,798,080/940,141,859.50
  6. Step 6: Final answer
    x = 905,711,659.20

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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.