Home / 431,447,240.60-647,170,860.90-159,013,525.40

Finding the Fourth Proportional to 431,447,240.60, 647,170,860.90 and 159,013,525.40

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Solution

The fourth proportional to 431,447,240.60, 647,170,860.90 and 159,013,525.40 is: 238,520,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,447,240.60 : 647,170,860.90 = 159,013,525.40 : x
  2. Step 2: Convert to fraction form
    431,447,240.60/647,170,860.90 = 159,013,525.40/x
  3. Step 3: Cross multiply
    431,447,240.60x = 647,170,860.90 × 159,013,525.40
  4. Step 4: Simplify right side
    431,447,240.60x = 102,908,920,127,862,016
  5. Step 5: Solve for x
    x = 102,908,920,127,862,016/431,447,240.60
  6. Step 6: Final answer
    x = 238,520,288.10

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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.