Home / 627,341,215.10-941,011,822.65-218,261,407.10

Finding the Fourth Proportional to 627,341,215.10, 941,011,822.65 and 218,261,407.10

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Solution

The fourth proportional to 627,341,215.10, 941,011,822.65 and 218,261,407.10 is: 327,392,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,341,215.10 : 941,011,822.65 = 218,261,407.10 : x
  2. Step 2: Convert to fraction form
    627,341,215.10/941,011,822.65 = 218,261,407.10/x
  3. Step 3: Cross multiply
    627,341,215.10x = 941,011,822.65 × 218,261,407.10
  4. Step 4: Simplify right side
    627,341,215.10x = 205,386,564,509,324,640
  5. Step 5: Solve for x
    x = 205,386,564,509,324,640/627,341,215.10
  6. Step 6: Final answer
    x = 327,392,110.65

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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.