Home / 764,586,206.40-1,145,178,698.40-628,537,310.40

Finding the Fourth Proportional to 764,586,206.40, 1,145,178,698.40 and 628,537,310.40

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Solution

The fourth proportional to 764,586,206.40, 1,145,178,698.40 and 628,537,310.40 is: 941,407,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,586,206.40 : 1,145,178,698.40 = 628,537,310.40 : x
  2. Step 2: Convert to fraction form
    764,586,206.40/1,145,178,698.40 = 628,537,310.40/x
  3. Step 3: Cross multiply
    764,586,206.40x = 1,145,178,698.40 × 628,537,310.40
  4. Step 4: Simplify right side
    764,586,206.40x = 719,787,539,019,708,800
  5. Step 5: Solve for x
    x = 719,787,539,019,708,800/764,586,206.40
  6. Step 6: Final answer
    x = 941,407,957.66

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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.