Home / 1,577,702,691.36-2,177,213,571.36-872,859,717.36

Finding the Fourth Proportional to 1,577,702,691.36, 2,177,213,571.36 and 872,859,717.36

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Solution

The fourth proportional to 1,577,702,691.36, 2,177,213,571.36 and 872,859,717.36 is: 1,204,537,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,702,691.36 : 2,177,213,571.36 = 872,859,717.36 : x
  2. Step 2: Convert to fraction form
    1,577,702,691.36/2,177,213,571.36 = 872,859,717.36/x
  3. Step 3: Cross multiply
    1,577,702,691.36x = 2,177,213,571.36 × 872,859,717.36
  4. Step 4: Simplify right side
    1,577,702,691.36x = 1,900,402,022,529,645,824
  5. Step 5: Solve for x
    x = 1,900,402,022,529,645,824/1,577,702,691.36
  6. Step 6: Final answer
    x = 1,204,537,479.04

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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.