Home / 764,284,991.40-1,144,726,875.90-628,236,095.40

Finding the Fourth Proportional to 764,284,991.40, 1,144,726,875.90 and 628,236,095.40

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Solution

The fourth proportional to 764,284,991.40, 1,144,726,875.90 and 628,236,095.40 is: 940,956,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,284,991.40 : 1,144,726,875.90 = 628,236,095.40 : x
  2. Step 2: Convert to fraction form
    764,284,991.40/1,144,726,875.90 = 628,236,095.40/x
  3. Step 3: Cross multiply
    764,284,991.40x = 1,144,726,875.90 × 628,236,095.40
  4. Step 4: Simplify right side
    764,284,991.40x = 719,158,742,814,856,448
  5. Step 5: Solve for x
    x = 719,158,742,814,856,448/764,284,991.40
  6. Step 6: Final answer
    x = 940,956,254.42

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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.