Home / 607,405,868.64-838,215,628.56-328,940,932.32

Finding the Fourth Proportional to 607,405,868.64, 838,215,628.56 and 328,940,932.32

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Solution

The fourth proportional to 607,405,868.64, 838,215,628.56 and 328,940,932.32 is: 453,936,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,405,868.64 : 838,215,628.56 = 328,940,932.32 : x
  2. Step 2: Convert to fraction form
    607,405,868.64/838,215,628.56 = 328,940,932.32/x
  3. Step 3: Cross multiply
    607,405,868.64x = 838,215,628.56 × 328,940,932.32
  4. Step 4: Simplify right side
    607,405,868.64x = 275,723,430,343,721,184
  5. Step 5: Solve for x
    x = 275,723,430,343,721,184/607,405,868.64
  6. Step 6: Final answer
    x = 453,936,065.78

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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.