Home / 511,014,018-766,527,169.92-142,526,541.24

Finding the Fourth Proportional to 511,014,018, 766,527,169.92 and 142,526,541.24

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Solution

The fourth proportional to 511,014,018, 766,527,169.92 and 142,526,541.24 is: 213,791,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,014,018 : 766,527,169.92 = 142,526,541.24 : x
  2. Step 2: Convert to fraction form
    511,014,018/766,527,169.92 = 142,526,541.24/x
  3. Step 3: Cross multiply
    511,014,018x = 766,527,169.92 × 142,526,541.24
  4. Step 4: Simplify right side
    511,014,018x = 109,250,466,295,183,376
  5. Step 5: Solve for x
    x = 109,250,466,295,183,376/511,014,018
  6. Step 6: Final answer
    x = 213,791,525.18

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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.