Home / 486,474,954.18-671,327,139.40-263,454,823.63

Finding the Fourth Proportional to 486,474,954.18, 671,327,139.40 and 263,454,823.63

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Solution

The fourth proportional to 486,474,954.18, 671,327,139.40 and 263,454,823.63 is: 363,563,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,474,954.18 : 671,327,139.40 = 263,454,823.63 : x
  2. Step 2: Convert to fraction form
    486,474,954.18/671,327,139.40 = 263,454,823.63/x
  3. Step 3: Cross multiply
    486,474,954.18x = 671,327,139.40 × 263,454,823.63
  4. Step 4: Simplify right side
    486,474,954.18x = 176,864,373,108,659,424
  5. Step 5: Solve for x
    x = 176,864,373,108,659,424/486,474,954.18
  6. Step 6: Final answer
    x = 363,563,163.10

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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.