Home / 320,964,502,793.92-442,904,685,939.84-188,955,899,987.20

Finding the Fourth Proportional to 320,964,502,793.92, 442,904,685,939.84 and 188,955,899,987.20

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Solution

The fourth proportional to 320,964,502,793.92, 442,904,685,939.84 and 188,955,899,987.20 is: 260,743,642,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,964,502,793.92 : 442,904,685,939.84 = 188,955,899,987.20 : x
  2. Step 2: Convert to fraction form
    320,964,502,793.92/442,904,685,939.84 = 188,955,899,987.20/x
  3. Step 3: Cross multiply
    320,964,502,793.92x = 442,904,685,939.84 × 188,955,899,987.20
  4. Step 4: Simplify right side
    320,964,502,793.92x = 83,689,453,540,310,639,443,968
  5. Step 5: Solve for x
    x = 83,689,453,540,310,639,443,968/320,964,502,793.92
  6. Step 6: Final answer
    x = 260,743,642,402.24

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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.