Home / 764,284,990.40-1,144,726,874.40-628,236,094.40

Finding the Fourth Proportional to 764,284,990.40, 1,144,726,874.40 and 628,236,094.40

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Solution

The fourth proportional to 764,284,990.40, 1,144,726,874.40 and 628,236,094.40 is: 940,956,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,284,990.40 : 1,144,726,874.40 = 628,236,094.40 : x
  2. Step 2: Convert to fraction form
    764,284,990.40/1,144,726,874.40 = 628,236,094.40/x
  3. Step 3: Cross multiply
    764,284,990.40x = 1,144,726,874.40 × 628,236,094.40
  4. Step 4: Simplify right side
    764,284,990.40x = 719,158,740,727,775,360
  5. Step 5: Solve for x
    x = 719,158,740,727,775,360/764,284,990.40
  6. Step 6: Final answer
    x = 940,956,252.92

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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.