Home / 618,764,888,960.55-853,895,587,827.65-344,404,653,517.60

Finding the Fourth Proportional to 618,764,888,960.55, 853,895,587,827.65 and 344,404,653,517.60

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Solution

The fourth proportional to 618,764,888,960.55, 853,895,587,827.65 and 344,404,653,517.60 is: 475,278,444,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,764,888,960.55 : 853,895,587,827.65 = 344,404,653,517.60 : x
  2. Step 2: Convert to fraction form
    618,764,888,960.55/853,895,587,827.65 = 344,404,653,517.60/x
  3. Step 3: Cross multiply
    618,764,888,960.55x = 853,895,587,827.65 × 344,404,653,517.60
  4. Step 4: Simplify right side
    618,764,888,960.55x = 294,085,614,065,989,151,883,264
  5. Step 5: Solve for x
    x = 294,085,614,065,989,151,883,264/618,764,888,960.55
  6. Step 6: Final answer
    x = 475,278,444,709.46

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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.