Home / 545,644,689.13-818,455,216.42-152,161,016.55

Finding the Fourth Proportional to 545,644,689.13, 818,455,216.42 and 152,161,016.55

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Solution

The fourth proportional to 545,644,689.13, 818,455,216.42 and 152,161,016.55 is: 228,238,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,644,689.13 : 818,455,216.42 = 152,161,016.55 : x
  2. Step 2: Convert to fraction form
    545,644,689.13/818,455,216.42 = 152,161,016.55/x
  3. Step 3: Cross multiply
    545,644,689.13x = 818,455,216.42 × 152,161,016.55
  4. Step 4: Simplify right side
    545,644,689.13x = 124,536,977,728,238,432
  5. Step 5: Solve for x
    x = 124,536,977,728,238,432/545,644,689.13
  6. Step 6: Final answer
    x = 228,238,229.40

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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.