Home / 466,627,478.88-643,964,339.52-268,388,657.04

Finding the Fourth Proportional to 466,627,478.88, 643,964,339.52 and 268,388,657.04

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Solution

The fourth proportional to 466,627,478.88, 643,964,339.52 and 268,388,657.04 is: 370,386,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,627,478.88 : 643,964,339.52 = 268,388,657.04 : x
  2. Step 2: Convert to fraction form
    466,627,478.88/643,964,339.52 = 268,388,657.04/x
  3. Step 3: Cross multiply
    466,627,478.88x = 643,964,339.52 × 268,388,657.04
  4. Step 4: Simplify right side
    466,627,478.88x = 172,832,724,265,423,392
  5. Step 5: Solve for x
    x = 172,832,724,265,423,392/466,627,478.88
  6. Step 6: Final answer
    x = 370,386,940.52

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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.