Home / 1,264,194,848.95-1,892,514,154.37-764,693,717.92

Finding the Fourth Proportional to 1,264,194,848.95, 1,892,514,154.37 and 764,693,717.92

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Solution

The fourth proportional to 1,264,194,848.95, 1,892,514,154.37 and 764,693,717.92 is: 1,144,755,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,194,848.95 : 1,892,514,154.37 = 764,693,717.92 : x
  2. Step 2: Convert to fraction form
    1,264,194,848.95/1,892,514,154.37 = 764,693,717.92/x
  3. Step 3: Cross multiply
    1,264,194,848.95x = 1,892,514,154.37 × 764,693,717.92
  4. Step 4: Simplify right side
    1,264,194,848.95x = 1,447,193,684,912,865,280
  5. Step 5: Solve for x
    x = 1,447,193,684,912,865,280/1,264,194,848.95
  6. Step 6: Final answer
    x = 1,144,755,245.69

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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.