Home / 425,813,500.04-638,623,879.50-195,561,232.52

Finding the Fourth Proportional to 425,813,500.04, 638,623,879.50 and 195,561,232.52

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Solution

The fourth proportional to 425,813,500.04, 638,623,879.50 and 195,561,232.52 is: 293,297,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,813,500.04 : 638,623,879.50 = 195,561,232.52 : x
  2. Step 2: Convert to fraction form
    425,813,500.04/638,623,879.50 = 195,561,232.52/x
  3. Step 3: Cross multiply
    425,813,500.04x = 638,623,879.50 × 195,561,232.52
  4. Step 4: Simplify right side
    425,813,500.04x = 124,890,072,991,723,968
  5. Step 5: Solve for x
    x = 124,890,072,991,723,968/425,813,500.04
  6. Step 6: Final answer
    x = 293,297,589.16

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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.