Home / 500,365,552.08-690,503,266.43-274,304,131.95

Finding the Fourth Proportional to 500,365,552.08, 690,503,266.43 and 274,304,131.95

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Solution

The fourth proportional to 500,365,552.08, 690,503,266.43 and 274,304,131.95 is: 378,539,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,365,552.08 : 690,503,266.43 = 274,304,131.95 : x
  2. Step 2: Convert to fraction form
    500,365,552.08/690,503,266.43 = 274,304,131.95/x
  3. Step 3: Cross multiply
    500,365,552.08x = 690,503,266.43 × 274,304,131.95
  4. Step 4: Simplify right side
    500,365,552.08x = 189,407,899,105,349,184
  5. Step 5: Solve for x
    x = 189,407,899,105,349,184/500,365,552.08
  6. Step 6: Final answer
    x = 378,539,046.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.