Home / 655,807,120.06-905,011,627.56-358,449,190.12

Finding the Fourth Proportional to 655,807,120.06, 905,011,627.56 and 358,449,190.12

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Solution

The fourth proportional to 655,807,120.06, 905,011,627.56 and 358,449,190.12 is: 494,658,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,807,120.06 : 905,011,627.56 = 358,449,190.12 : x
  2. Step 2: Convert to fraction form
    655,807,120.06/905,011,627.56 = 358,449,190.12/x
  3. Step 3: Cross multiply
    655,807,120.06x = 905,011,627.56 × 358,449,190.12
  4. Step 4: Simplify right side
    655,807,120.06x = 324,400,684,948,065,024
  5. Step 5: Solve for x
    x = 324,400,684,948,065,024/655,807,120.06
  6. Step 6: Final answer
    x = 494,658,680.92

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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.