Home / 445,926,188.40-668,889,282.60-282,667,513.20

Finding the Fourth Proportional to 445,926,188.40, 668,889,282.60 and 282,667,513.20

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Solution

The fourth proportional to 445,926,188.40, 668,889,282.60 and 282,667,513.20 is: 424,001,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,926,188.40 : 668,889,282.60 = 282,667,513.20 : x
  2. Step 2: Convert to fraction form
    445,926,188.40/668,889,282.60 = 282,667,513.20/x
  3. Step 3: Cross multiply
    445,926,188.40x = 668,889,282.60 × 282,667,513.20
  4. Step 4: Simplify right side
    445,926,188.40x = 189,073,270,118,674,016
  5. Step 5: Solve for x
    x = 189,073,270,118,674,016/445,926,188.40
  6. Step 6: Final answer
    x = 424,001,269.80

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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.