Home / 28,334,598,857.37-39,101,761,267.02-15,474,414,872.25

Finding the Fourth Proportional to 28,334,598,857.37, 39,101,761,267.02 and 15,474,414,872.25

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Solution

The fourth proportional to 28,334,598,857.37, 39,101,761,267.02 and 15,474,414,872.25 is: 21,354,700,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334,598,857.37 : 39,101,761,267.02 = 15,474,414,872.25 : x
  2. Step 2: Convert to fraction form
    28,334,598,857.37/39,101,761,267.02 = 15,474,414,872.25/x
  3. Step 3: Cross multiply
    28,334,598,857.37x = 39,101,761,267.02 × 15,474,414,872.25
  4. Step 4: Simplify right side
    28,334,598,857.37x = 605,076,876,081,543,249,920
  5. Step 5: Solve for x
    x = 605,076,876,081,543,249,920/28,334,598,857.37
  6. Step 6: Final answer
    x = 21,354,700,630.40

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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.