Home / 20,261,347,456.31-27,960,662,140.12-11,229,688,649.53

Finding the Fourth Proportional to 20,261,347,456.31, 27,960,662,140.12 and 11,229,688,649.53

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Solution

The fourth proportional to 20,261,347,456.31, 27,960,662,140.12 and 11,229,688,649.53 is: 15,496,971,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,347,456.31 : 27,960,662,140.12 = 11,229,688,649.53 : x
  2. Step 2: Convert to fraction form
    20,261,347,456.31/27,960,662,140.12 = 11,229,688,649.53/x
  3. Step 3: Cross multiply
    20,261,347,456.31x = 27,960,662,140.12 × 11,229,688,649.53
  4. Step 4: Simplify right side
    20,261,347,456.31x = 313,989,530,268,248,768,512
  5. Step 5: Solve for x
    x = 313,989,530,268,248,768,512/20,261,347,456.31
  6. Step 6: Final answer
    x = 15,496,971,805.32

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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.