Home / 1,273,931,486,872.80-1,758,025,384,650.90-687,981,276,119.75

Finding the Fourth Proportional to 1,273,931,486,872.80, 1,758,025,384,650.90 and 687,981,276,119.75

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Solution

The fourth proportional to 1,273,931,486,872.80, 1,758,025,384,650.90 and 687,981,276,119.75 is: 949,414,124,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,931,486,872.80 : 1,758,025,384,650.90 = 687,981,276,119.75 : x
  2. Step 2: Convert to fraction form
    1,273,931,486,872.80/1,758,025,384,650.90 = 687,981,276,119.75/x
  3. Step 3: Cross multiply
    1,273,931,486,872.80x = 1,758,025,384,650.90 × 687,981,276,119.75
  4. Step 4: Simplify right side
    1,273,931,486,872.80x = 1,209,488,547,583,040,528,842,752
  5. Step 5: Solve for x
    x = 1,209,488,547,583,040,528,842,752/1,273,931,486,872.80
  6. Step 6: Final answer
    x = 949,414,124,736.06

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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.