Home / 866,601,096.40-1,195,808,620.96-485,144,019.36

Finding the Fourth Proportional to 866,601,096.40, 1,195,808,620.96 and 485,144,019.36

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Solution

The fourth proportional to 866,601,096.40, 1,195,808,620.96 and 485,144,019.36 is: 669,442,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,601,096.40 : 1,195,808,620.96 = 485,144,019.36 : x
  2. Step 2: Convert to fraction form
    866,601,096.40/1,195,808,620.96 = 485,144,019.36/x
  3. Step 3: Cross multiply
    866,601,096.40x = 1,195,808,620.96 × 485,144,019.36
  4. Step 4: Simplify right side
    866,601,096.40x = 580,139,400,757,873,152
  5. Step 5: Solve for x
    x = 580,139,400,757,873,152/866,601,096.40
  6. Step 6: Final answer
    x = 669,442,264.92

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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.