Home / 38,392,499,077.20-57,588,748,615.80-19,796,315,605.20

Finding the Fourth Proportional to 38,392,499,077.20, 57,588,748,615.80 and 19,796,315,605.20

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Solution

The fourth proportional to 38,392,499,077.20, 57,588,748,615.80 and 19,796,315,605.20 is: 29,694,473,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,392,499,077.20 : 57,588,748,615.80 = 19,796,315,605.20 : x
  2. Step 2: Convert to fraction form
    38,392,499,077.20/57,588,748,615.80 = 19,796,315,605.20/x
  3. Step 3: Cross multiply
    38,392,499,077.20x = 57,588,748,615.80 × 19,796,315,605.20
  4. Step 4: Simplify right side
    38,392,499,077.20x = 1,140,045,042,906,901,512,192
  5. Step 5: Solve for x
    x = 1,140,045,042,906,901,512,192/38,392,499,077.20
  6. Step 6: Final answer
    x = 29,694,473,407.80

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Double scale
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1.5x scale

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.