Home / 627,616,365.04-866,118,419.52-345,391,276

Finding the Fourth Proportional to 627,616,365.04, 866,118,419.52 and 345,391,276

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Solution

The fourth proportional to 627,616,365.04, 866,118,419.52 and 345,391,276 is: 476,644,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,616,365.04 : 866,118,419.52 = 345,391,276 : x
  2. Step 2: Convert to fraction form
    627,616,365.04/866,118,419.52 = 345,391,276/x
  3. Step 3: Cross multiply
    627,616,365.04x = 866,118,419.52 × 345,391,276
  4. Step 4: Simplify right side
    627,616,365.04x = 299,149,746,085,116,096
  5. Step 5: Solve for x
    x = 299,149,746,085,116,096/627,616,365.04
  6. Step 6: Final answer
    x = 476,644,273.08

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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.