Home / 360,615,141.18-541,015,972.47-211,175,809.43

Finding the Fourth Proportional to 360,615,141.18, 541,015,972.47 and 211,175,809.43

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Solution

The fourth proportional to 360,615,141.18, 541,015,972.47 and 211,175,809.43 is: 316,818,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,615,141.18 : 541,015,972.47 = 211,175,809.43 : x
  2. Step 2: Convert to fraction form
    360,615,141.18/541,015,972.47 = 211,175,809.43/x
  3. Step 3: Cross multiply
    360,615,141.18x = 541,015,972.47 × 211,175,809.43
  4. Step 4: Simplify right side
    360,615,141.18x = 114,249,485,898,205,776
  5. Step 5: Solve for x
    x = 114,249,485,898,205,776/360,615,141.18
  6. Step 6: Final answer
    x = 316,818,327.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.