Home / 2,125,772,728.40-3,188,659,092.60-1,459,983,443.60

Finding the Fourth Proportional to 2,125,772,728.40, 3,188,659,092.60 and 1,459,983,443.60

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Solution

The fourth proportional to 2,125,772,728.40, 3,188,659,092.60 and 1,459,983,443.60 is: 2,189,975,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,772,728.40 : 3,188,659,092.60 = 1,459,983,443.60 : x
  2. Step 2: Convert to fraction form
    2,125,772,728.40/3,188,659,092.60 = 1,459,983,443.60/x
  3. Step 3: Cross multiply
    2,125,772,728.40x = 3,188,659,092.60 × 1,459,983,443.60
  4. Step 4: Simplify right side
    2,125,772,728.40x = 4,655,389,482,480,599,040
  5. Step 5: Solve for x
    x = 4,655,389,482,480,599,040/2,125,772,728.40
  6. Step 6: Final answer
    x = 2,189,975,165.40

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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.