Home / 511,838,441.76-706,335,517.20-276,889,040

Finding the Fourth Proportional to 511,838,441.76, 706,335,517.20 and 276,889,040

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Solution

The fourth proportional to 511,838,441.76, 706,335,517.20 and 276,889,040 is: 382,106,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,838,441.76 : 706,335,517.20 = 276,889,040 : x
  2. Step 2: Convert to fraction form
    511,838,441.76/706,335,517.20 = 276,889,040/x
  3. Step 3: Cross multiply
    511,838,441.76x = 706,335,517.20 × 276,889,040
  4. Step 4: Simplify right side
    511,838,441.76x = 195,576,563,275,411,488
  5. Step 5: Solve for x
    x = 195,576,563,275,411,488/511,838,441.76
  6. Step 6: Final answer
    x = 382,106,046.20

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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.