Home / 654,264,672,003.30-981,397,008,004.95-430,926,804,329.70

Finding the Fourth Proportional to 654,264,672,003.30, 981,397,008,004.95 and 430,926,804,329.70

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Solution

The fourth proportional to 654,264,672,003.30, 981,397,008,004.95 and 430,926,804,329.70 is: 646,390,206,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,264,672,003.30 : 981,397,008,004.95 = 430,926,804,329.70 : x
  2. Step 2: Convert to fraction form
    654,264,672,003.30/981,397,008,004.95 = 430,926,804,329.70/x
  3. Step 3: Cross multiply
    654,264,672,003.30x = 981,397,008,004.95 × 430,926,804,329.70
  4. Step 4: Simplify right side
    654,264,672,003.30x = 422,910,276,438,302,096,621,568
  5. Step 5: Solve for x
    x = 422,910,276,438,302,096,621,568/654,264,672,003.30
  6. Step 6: Final answer
    x = 646,390,206,494.55

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Double scale
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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.