Home / 681,252,099.66-940,128,275.96-367,986,316.26

Finding the Fourth Proportional to 681,252,099.66, 940,128,275.96 and 367,986,316.26

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Solution

The fourth proportional to 681,252,099.66, 940,128,275.96 and 367,986,316.26 is: 507,821,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,252,099.66 : 940,128,275.96 = 367,986,316.26 : x
  2. Step 2: Convert to fraction form
    681,252,099.66/940,128,275.96 = 367,986,316.26/x
  3. Step 3: Cross multiply
    681,252,099.66x = 940,128,275.96 × 367,986,316.26
  4. Step 4: Simplify right side
    681,252,099.66x = 345,954,341,082,385,152
  5. Step 5: Solve for x
    x = 345,954,341,082,385,152/681,252,099.66
  6. Step 6: Final answer
    x = 507,821,320.85

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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.