Home / 1,125,875,434.32-1,687,342,344.71-627,866,075.43

Finding the Fourth Proportional to 1,125,875,434.32, 1,687,342,344.71 and 627,866,075.43

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Solution

The fourth proportional to 1,125,875,434.32, 1,687,342,344.71 and 627,866,075.43 is: 940,978,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,875,434.32 : 1,687,342,344.71 = 627,866,075.43 : x
  2. Step 2: Convert to fraction form
    1,125,875,434.32/1,687,342,344.71 = 627,866,075.43/x
  3. Step 3: Cross multiply
    1,125,875,434.32x = 1,687,342,344.71 × 627,866,075.43
  4. Step 4: Simplify right side
    1,125,875,434.32x = 1,059,425,015,876,782,464
  5. Step 5: Solve for x
    x = 1,059,425,015,876,782,464/1,125,875,434.32
  6. Step 6: Final answer
    x = 940,978,889.48

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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.