Home / 38,798,161,850.56-53,541,362,649.12-21,650,835,340.48

Finding the Fourth Proportional to 38,798,161,850.56, 53,541,362,649.12 and 21,650,835,340.48

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Solution

The fourth proportional to 38,798,161,850.56, 53,541,362,649.12 and 21,650,835,340.48 is: 29,878,096,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,798,161,850.56 : 53,541,362,649.12 = 21,650,835,340.48 : x
  2. Step 2: Convert to fraction form
    38,798,161,850.56/53,541,362,649.12 = 21,650,835,340.48/x
  3. Step 3: Cross multiply
    38,798,161,850.56x = 53,541,362,649.12 × 21,650,835,340.48
  4. Step 4: Simplify right side
    38,798,161,850.56x = 1,159,215,226,621,023,223,808
  5. Step 5: Solve for x
    x = 1,159,215,226,621,023,223,808/38,798,161,850.56
  6. Step 6: Final answer
    x = 29,878,096,572.87

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Double scale
Find fourth proportional to 38,798,161,851.56, 53,541,362,650.50 and 21,650,835,341.48
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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.