Home / 755,889,308.28-1,043,127,236.76-408,208,796.28

Finding the Fourth Proportional to 755,889,308.28, 1,043,127,236.76 and 408,208,796.28

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Solution

The fourth proportional to 755,889,308.28, 1,043,127,236.76 and 408,208,796.28 is: 563,328,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,889,308.28 : 1,043,127,236.76 = 408,208,796.28 : x
  2. Step 2: Convert to fraction form
    755,889,308.28/1,043,127,236.76 = 408,208,796.28/x
  3. Step 3: Cross multiply
    755,889,308.28x = 1,043,127,236.76 × 408,208,796.28
  4. Step 4: Simplify right side
    755,889,308.28x = 425,813,713,684,682,112
  5. Step 5: Solve for x
    x = 425,813,713,684,682,112/755,889,308.28
  6. Step 6: Final answer
    x = 563,328,134.19

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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.