Home / 257,043,552-385,578,792.32-195,728,878.24

Finding the Fourth Proportional to 257,043,552, 385,578,792.32 and 195,728,878.24

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Solution

The fourth proportional to 257,043,552, 385,578,792.32 and 195,728,878.24 is: 293,603,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,043,552 : 385,578,792.32 = 195,728,878.24 : x
  2. Step 2: Convert to fraction form
    257,043,552/385,578,792.32 = 195,728,878.24/x
  3. Step 3: Cross multiply
    257,043,552x = 385,578,792.32 × 195,728,878.24
  4. Step 4: Simplify right side
    257,043,552x = 75,468,904,493,927,536
  5. Step 5: Solve for x
    x = 75,468,904,493,927,536/257,043,552
  6. Step 6: Final answer
    x = 293,603,569.93

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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.