Home / 2,638,532,522.80-3,957,798,784.20-2,018,659,740.40

Finding the Fourth Proportional to 2,638,532,522.80, 3,957,798,784.20 and 2,018,659,740.40

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Solution

The fourth proportional to 2,638,532,522.80, 3,957,798,784.20 and 2,018,659,740.40 is: 3,027,989,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,532,522.80 : 3,957,798,784.20 = 2,018,659,740.40 : x
  2. Step 2: Convert to fraction form
    2,638,532,522.80/3,957,798,784.20 = 2,018,659,740.40/x
  3. Step 3: Cross multiply
    2,638,532,522.80x = 3,957,798,784.20 × 2,018,659,740.40
  4. Step 4: Simplify right side
    2,638,532,522.80x = 7,989,449,066,268,607,488
  5. Step 5: Solve for x
    x = 7,989,449,066,268,607,488/2,638,532,522.80
  6. Step 6: Final answer
    x = 3,027,989,610.60

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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.