Home / 269,490,497.40-403,479,918.90-261,932,225.40

Finding the Fourth Proportional to 269,490,497.40, 403,479,918.90 and 261,932,225.40

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Solution

The fourth proportional to 269,490,497.40, 403,479,918.90 and 261,932,225.40 is: 392,163,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,490,497.40 : 403,479,918.90 = 261,932,225.40 : x
  2. Step 2: Convert to fraction form
    269,490,497.40/403,479,918.90 = 261,932,225.40/x
  3. Step 3: Cross multiply
    269,490,497.40x = 403,479,918.90 × 261,932,225.40
  4. Step 4: Simplify right side
    269,490,497.40x = 105,684,393,061,688,512
  5. Step 5: Solve for x
    x = 105,684,393,061,688,512/269,490,497.40
  6. Step 6: Final answer
    x = 392,163,709.23

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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.