Home / 445,926,187.90-668,889,281.85-282,667,512.70

Finding the Fourth Proportional to 445,926,187.90, 668,889,281.85 and 282,667,512.70

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Solution

The fourth proportional to 445,926,187.90, 668,889,281.85 and 282,667,512.70 is: 424,001,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,926,187.90 : 668,889,281.85 = 282,667,512.70 : x
  2. Step 2: Convert to fraction form
    445,926,187.90/668,889,281.85 = 282,667,512.70/x
  3. Step 3: Cross multiply
    445,926,187.90x = 668,889,281.85 × 282,667,512.70
  4. Step 4: Simplify right side
    445,926,187.90x = 189,073,269,572,228,768
  5. Step 5: Solve for x
    x = 189,073,269,572,228,768/445,926,187.90
  6. Step 6: Final answer
    x = 424,001,269.05

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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.