Home / 444,705,113.23-613,335,219.80-390,944,826.92

Finding the Fourth Proportional to 444,705,113.23, 613,335,219.80 and 390,944,826.92

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Solution

The fourth proportional to 444,705,113.23, 613,335,219.80 and 390,944,826.92 is: 539,189,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,705,113.23 : 613,335,219.80 = 390,944,826.92 : x
  2. Step 2: Convert to fraction form
    444,705,113.23/613,335,219.80 = 390,944,826.92/x
  3. Step 3: Cross multiply
    444,705,113.23x = 613,335,219.80 × 390,944,826.92
  4. Step 4: Simplify right side
    444,705,113.23x = 239,780,231,348,229,760
  5. Step 5: Solve for x
    x = 239,780,231,348,229,760/444,705,113.23
  6. Step 6: Final answer
    x = 539,189,283.45

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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.