Home / 655,617,643.20-983,476,231.20-195,519,902.40

Finding the Fourth Proportional to 655,617,643.20, 983,476,231.20 and 195,519,902.40

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Solution

The fourth proportional to 655,617,643.20, 983,476,231.20 and 195,519,902.40 is: 293,294,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,617,643.20 : 983,476,231.20 = 195,519,902.40 : x
  2. Step 2: Convert to fraction form
    655,617,643.20/983,476,231.20 = 195,519,902.40/x
  3. Step 3: Cross multiply
    655,617,643.20x = 983,476,231.20 × 195,519,902.40
  4. Step 4: Simplify right side
    655,617,643.20x = 192,289,176,736,943,840
  5. Step 5: Solve for x
    x = 192,289,176,736,943,840/655,617,643.20
  6. Step 6: Final answer
    x = 293,294,695.06

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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.