Home / 290,005,062.68-400,241,064.80-162,866,635.36

Finding the Fourth Proportional to 290,005,062.68, 400,241,064.80 and 162,866,635.36

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Solution

The fourth proportional to 290,005,062.68, 400,241,064.80 and 162,866,635.36 is: 224,775,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,005,062.68 : 400,241,064.80 = 162,866,635.36 : x
  2. Step 2: Convert to fraction form
    290,005,062.68/400,241,064.80 = 162,866,635.36/x
  3. Step 3: Cross multiply
    290,005,062.68x = 400,241,064.80 × 162,866,635.36
  4. Step 4: Simplify right side
    290,005,062.68x = 65,185,915,556,879,736
  5. Step 5: Solve for x
    x = 65,185,915,556,879,736/290,005,062.68
  6. Step 6: Final answer
    x = 224,775,095.15

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1.5x scale

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.