Home / 545,644,698.49-818,455,230.42-152,161,025.89

Finding the Fourth Proportional to 545,644,698.49, 818,455,230.42 and 152,161,025.89

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Solution

The fourth proportional to 545,644,698.49, 818,455,230.42 and 152,161,025.89 is: 228,238,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,644,698.49 : 818,455,230.42 = 152,161,025.89 : x
  2. Step 2: Convert to fraction form
    545,644,698.49/818,455,230.42 = 152,161,025.89/x
  3. Step 3: Cross multiply
    545,644,698.49x = 818,455,230.42 × 152,161,025.89
  4. Step 4: Simplify right side
    545,644,698.49x = 124,536,987,505,743,520
  5. Step 5: Solve for x
    x = 124,536,987,505,743,520/545,644,698.49
  6. Step 6: Final answer
    x = 228,238,243.40

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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.