Home / 469,125,883.71-647,233,365.38-268,038,475.11

Finding the Fourth Proportional to 469,125,883.71, 647,233,365.38 and 268,038,475.11

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Solution

The fourth proportional to 469,125,883.71, 647,233,365.38 and 268,038,475.11 is: 369,801,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,125,883.71 : 647,233,365.38 = 268,038,475.11 : x
  2. Step 2: Convert to fraction form
    469,125,883.71/647,233,365.38 = 268,038,475.11/x
  3. Step 3: Cross multiply
    469,125,883.71x = 647,233,365.38 × 268,038,475.11
  4. Step 4: Simplify right side
    469,125,883.71x = 173,483,444,295,428,480
  5. Step 5: Solve for x
    x = 173,483,444,295,428,480/469,125,883.71
  6. Step 6: Final answer
    x = 369,801,476.15

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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.