Home / 445,871,840.31-615,304,565.37-247,633,299.36

Finding the Fourth Proportional to 445,871,840.31, 615,304,565.37 and 247,633,299.36

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Solution

The fourth proportional to 445,871,840.31, 615,304,565.37 and 247,633,299.36 is: 341,734,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,871,840.31 : 615,304,565.37 = 247,633,299.36 : x
  2. Step 2: Convert to fraction form
    445,871,840.31/615,304,565.37 = 247,633,299.36/x
  3. Step 3: Cross multiply
    445,871,840.31x = 615,304,565.37 × 247,633,299.36
  4. Step 4: Simplify right side
    445,871,840.31x = 152,369,899,633,843,904
  5. Step 5: Solve for x
    x = 152,369,899,633,843,904/445,871,840.31
  6. Step 6: Final answer
    x = 341,734,744.96

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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.