Home / 392,474,038.83-541,637,955.26-216,261,820.95

Finding the Fourth Proportional to 392,474,038.83, 541,637,955.26 and 216,261,820.95

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Solution

The fourth proportional to 392,474,038.83, 541,637,955.26 and 216,261,820.95 is: 298,454,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,474,038.83 : 541,637,955.26 = 216,261,820.95 : x
  2. Step 2: Convert to fraction form
    392,474,038.83/541,637,955.26 = 216,261,820.95/x
  3. Step 3: Cross multiply
    392,474,038.83x = 541,637,955.26 × 216,261,820.95
  4. Step 4: Simplify right side
    392,474,038.83x = 117,135,610,500,162,224
  5. Step 5: Solve for x
    x = 117,135,610,500,162,224/392,474,038.83
  6. Step 6: Final answer
    x = 298,454,417.14

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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.