Home / 681,995,737.65-1,022,989,313.78-367,010,139.28

Finding the Fourth Proportional to 681,995,737.65, 1,022,989,313.78 and 367,010,139.28

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Solution

The fourth proportional to 681,995,737.65, 1,022,989,313.78 and 367,010,139.28 is: 550,512,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,995,737.65 : 1,022,989,313.78 = 367,010,139.28 : x
  2. Step 2: Convert to fraction form
    681,995,737.65/1,022,989,313.78 = 367,010,139.28/x
  3. Step 3: Cross multiply
    681,995,737.65x = 1,022,989,313.78 × 367,010,139.28
  4. Step 4: Simplify right side
    681,995,737.65x = 375,447,450,532,349,376
  5. Step 5: Solve for x
    x = 375,447,450,532,349,376/681,995,737.65
  6. Step 6: Final answer
    x = 550,512,898.84

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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.