Home / 489,257,581.59-675,166,730.54-266,231,656.71

Finding the Fourth Proportional to 489,257,581.59, 675,166,730.54 and 266,231,656.71

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Solution

The fourth proportional to 489,257,581.59, 675,166,730.54 and 266,231,656.71 is: 367,394,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,257,581.59 : 675,166,730.54 = 266,231,656.71 : x
  2. Step 2: Convert to fraction form
    489,257,581.59/675,166,730.54 = 266,231,656.71/x
  3. Step 3: Cross multiply
    489,257,581.59x = 675,166,730.54 × 266,231,656.71
  4. Step 4: Simplify right side
    489,257,581.59x = 179,750,757,225,807,200
  5. Step 5: Solve for x
    x = 179,750,757,225,807,200/489,257,581.59
  6. Step 6: Final answer
    x = 367,394,934.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.