Home / 545,424,524.86-818,251,689.75-176,930,704.21

Finding the Fourth Proportional to 545,424,524.86, 818,251,689.75 and 176,930,704.21

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Solution

The fourth proportional to 545,424,524.86, 818,251,689.75 and 176,930,704.21 is: 265,433,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,424,524.86 : 818,251,689.75 = 176,930,704.21 : x
  2. Step 2: Convert to fraction form
    545,424,524.86/818,251,689.75 = 176,930,704.21/x
  3. Step 3: Cross multiply
    545,424,524.86x = 818,251,689.75 × 176,930,704.21
  4. Step 4: Simplify right side
    545,424,524.86x = 144,773,847,688,489,952
  5. Step 5: Solve for x
    x = 144,773,847,688,489,952/545,424,524.86
  6. Step 6: Final answer
    x = 265,433,329.62

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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.