Home / 681,995,736.65-1,022,989,312.28-367,010,138.28

Finding the Fourth Proportional to 681,995,736.65, 1,022,989,312.28 and 367,010,138.28

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Solution

The fourth proportional to 681,995,736.65, 1,022,989,312.28 and 367,010,138.28 is: 550,512,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,995,736.65 : 1,022,989,312.28 = 367,010,138.28 : x
  2. Step 2: Convert to fraction form
    681,995,736.65/1,022,989,312.28 = 367,010,138.28/x
  3. Step 3: Cross multiply
    681,995,736.65x = 1,022,989,312.28 × 367,010,138.28
  4. Step 4: Simplify right side
    681,995,736.65x = 375,447,448,957,849,472
  5. Step 5: Solve for x
    x = 375,447,448,957,849,472/681,995,736.65
  6. Step 6: Final answer
    x = 550,512,897.34

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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.