Home / 460,341,993.42-690,621,894.09-149,449,008.42

Finding the Fourth Proportional to 460,341,993.42, 690,621,894.09 and 149,449,008.42

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Solution

The fourth proportional to 460,341,993.42, 690,621,894.09 and 149,449,008.42 is: 224,208,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,341,993.42 : 690,621,894.09 = 149,449,008.42 : x
  2. Step 2: Convert to fraction form
    460,341,993.42/690,621,894.09 = 149,449,008.42/x
  3. Step 3: Cross multiply
    460,341,993.42x = 690,621,894.09 × 149,449,008.42
  4. Step 4: Simplify right side
    460,341,993.42x = 103,212,757,264,892,752
  5. Step 5: Solve for x
    x = 103,212,757,264,892,752/460,341,993.42
  6. Step 6: Final answer
    x = 224,208,868.06

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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.