Home / 627,272,287.45-865,636,200.64-345,036,201.46

Finding the Fourth Proportional to 627,272,287.45, 865,636,200.64 and 345,036,201.46

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Solution

The fourth proportional to 627,272,287.45, 865,636,200.64 and 345,036,201.46 is: 476,150,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,272,287.45 : 865,636,200.64 = 345,036,201.46 : x
  2. Step 2: Convert to fraction form
    627,272,287.45/865,636,200.64 = 345,036,201.46/x
  3. Step 3: Cross multiply
    627,272,287.45x = 865,636,200.64 × 345,036,201.46
  4. Step 4: Simplify right side
    627,272,287.45x = 298,675,826,513,362,688
  5. Step 5: Solve for x
    x = 298,675,826,513,362,688/627,272,287.45
  6. Step 6: Final answer
    x = 476,150,202.22

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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.