Home / 866,601,072.07-1,195,808,587.38-485,143,995.04

Finding the Fourth Proportional to 866,601,072.07, 1,195,808,587.38 and 485,143,995.04

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Solution

The fourth proportional to 866,601,072.07, 1,195,808,587.38 and 485,143,995.04 is: 669,442,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,601,072.07 : 1,195,808,587.38 = 485,143,995.04 : x
  2. Step 2: Convert to fraction form
    866,601,072.07/1,195,808,587.38 = 485,143,995.04/x
  3. Step 3: Cross multiply
    866,601,072.07x = 1,195,808,587.38 × 485,143,995.04
  4. Step 4: Simplify right side
    866,601,072.07x = 580,139,355,381,682,688
  5. Step 5: Solve for x
    x = 580,139,355,381,682,688/866,601,072.07
  6. Step 6: Final answer
    x = 669,442,231.36

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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.