Home / 492,496,634.06-679,644,994.38-269,479,780.10

Finding the Fourth Proportional to 492,496,634.06, 679,644,994.38 and 269,479,780.10

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Solution

The fourth proportional to 492,496,634.06, 679,644,994.38 and 269,479,780.10 is: 371,881,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,496,634.06 : 679,644,994.38 = 269,479,780.10 : x
  2. Step 2: Convert to fraction form
    492,496,634.06/679,644,994.38 = 269,479,780.10/x
  3. Step 3: Cross multiply
    492,496,634.06x = 679,644,994.38 × 269,479,780.10
  4. Step 4: Simplify right side
    492,496,634.06x = 183,150,583,631,588,160
  5. Step 5: Solve for x
    x = 183,150,583,631,588,160/492,496,634.06
  6. Step 6: Final answer
    x = 371,881,899.22

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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.