Home / 834,899,516.82-1,252,142,343.72-282,189,674.52

Finding the Fourth Proportional to 834,899,516.82, 1,252,142,343.72 and 282,189,674.52

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Solution

The fourth proportional to 834,899,516.82, 1,252,142,343.72 and 282,189,674.52 is: 423,214,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,899,516.82 : 1,252,142,343.72 = 282,189,674.52 : x
  2. Step 2: Convert to fraction form
    834,899,516.82/1,252,142,343.72 = 282,189,674.52/x
  3. Step 3: Cross multiply
    834,899,516.82x = 1,252,142,343.72 × 282,189,674.52
  4. Step 4: Simplify right side
    834,899,516.82x = 353,341,640,427,056,768
  5. Step 5: Solve for x
    x = 353,341,640,427,056,768/834,899,516.82
  6. Step 6: Final answer
    x = 423,214,570.51

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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.