Home / 1,264,194,851.55-1,892,514,158.28-764,693,720.52

Finding the Fourth Proportional to 1,264,194,851.55, 1,892,514,158.28 and 764,693,720.52

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Solution

The fourth proportional to 1,264,194,851.55, 1,892,514,158.28 and 764,693,720.52 is: 1,144,755,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,194,851.55 : 1,892,514,158.28 = 764,693,720.52 : x
  2. Step 2: Convert to fraction form
    1,264,194,851.55/1,892,514,158.28 = 764,693,720.52/x
  3. Step 3: Cross multiply
    1,264,194,851.55x = 1,892,514,158.28 × 764,693,720.52
  4. Step 4: Simplify right side
    1,264,194,851.55x = 1,447,193,692,831,909,376
  5. Step 5: Solve for x
    x = 1,447,193,692,831,909,376/1,264,194,851.55
  6. Step 6: Final answer
    x = 1,144,755,249.60

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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.