Home / 1,273,931,485,350.90-1,758,025,382,550.10-687,981,274,599

Finding the Fourth Proportional to 1,273,931,485,350.90, 1,758,025,382,550.10 and 687,981,274,599

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Solution

The fourth proportional to 1,273,931,485,350.90, 1,758,025,382,550.10 and 687,981,274,599 is: 949,414,122,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,931,485,350.90 : 1,758,025,382,550.10 = 687,981,274,599 : x
  2. Step 2: Convert to fraction form
    1,273,931,485,350.90/1,758,025,382,550.10 = 687,981,274,599/x
  3. Step 3: Cross multiply
    1,273,931,485,350.90x = 1,758,025,382,550.10 × 687,981,274,599
  4. Step 4: Simplify right side
    1,273,931,485,350.90x = 1,209,488,543,464,212,526,006,272
  5. Step 5: Solve for x
    x = 1,209,488,543,464,212,526,006,272/1,273,931,485,350.90
  6. Step 6: Final answer
    x = 949,414,122,637.11

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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.