Home / 425,813,499.04-638,623,878-195,561,231.52

Finding the Fourth Proportional to 425,813,499.04, 638,623,878 and 195,561,231.52

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Solution

The fourth proportional to 425,813,499.04, 638,623,878 and 195,561,231.52 is: 293,297,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,813,499.04 : 638,623,878 = 195,561,231.52 : x
  2. Step 2: Convert to fraction form
    425,813,499.04/638,623,878 = 195,561,231.52/x
  3. Step 3: Cross multiply
    425,813,499.04x = 638,623,878 × 195,561,231.52
  4. Step 4: Simplify right side
    425,813,499.04x = 124,890,072,059,758,240
  5. Step 5: Solve for x
    x = 124,890,072,059,758,240/425,813,499.04
  6. Step 6: Final answer
    x = 293,297,587.66

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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.