Home / 492,298,291.79-679,363,648.78-269,278,022.58

Finding the Fourth Proportional to 492,298,291.79, 679,363,648.78 and 269,278,022.58

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Solution

The fourth proportional to 492,298,291.79, 679,363,648.78 and 269,278,022.58 is: 371,599,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,298,291.79 : 679,363,648.78 = 269,278,022.58 : x
  2. Step 2: Convert to fraction form
    492,298,291.79/679,363,648.78 = 269,278,022.58/x
  3. Step 3: Cross multiply
    492,298,291.79x = 679,363,648.78 × 269,278,022.58
  4. Step 4: Simplify right side
    492,298,291.79x = 182,937,699,956,212,000
  5. Step 5: Solve for x
    x = 182,937,699,956,212,000/492,298,291.79
  6. Step 6: Final answer
    x = 371,599,298.65

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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.