Home / 408,218,522.16-612,330,223.08-101,510,635.08

Finding the Fourth Proportional to 408,218,522.16, 612,330,223.08 and 101,510,635.08

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Solution

The fourth proportional to 408,218,522.16, 612,330,223.08 and 101,510,635.08 is: 152,266,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,218,522.16 : 612,330,223.08 = 101,510,635.08 : x
  2. Step 2: Convert to fraction form
    408,218,522.16/612,330,223.08 = 101,510,635.08/x
  3. Step 3: Cross multiply
    408,218,522.16x = 612,330,223.08 × 101,510,635.08
  4. Step 4: Simplify right side
    408,218,522.16x = 62,158,029,823,528,880
  5. Step 5: Solve for x
    x = 62,158,029,823,528,880/408,218,522.16
  6. Step 6: Final answer
    x = 152,266,559.33

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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.