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Finding the Fourth Proportional to 636,851,332.88, 955,241,065.08 and 282,223,480.40

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Solution

The fourth proportional to 636,851,332.88, 955,241,065.08 and 282,223,480.40 is: 423,319,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,851,332.88 : 955,241,065.08 = 282,223,480.40 : x
  2. Step 2: Convert to fraction form
    636,851,332.88/955,241,065.08 = 282,223,480.40/x
  3. Step 3: Cross multiply
    636,851,332.88x = 955,241,065.08 × 282,223,480.40
  4. Step 4: Simplify right side
    636,851,332.88x = 269,591,458,007,880,480
  5. Step 5: Solve for x
    x = 269,591,458,007,880,480/636,851,332.88
  6. Step 6: Final answer
    x = 423,319,296.18

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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.