Home / 284,328,018.80-426,492,028.20-238,411,516.40

Finding the Fourth Proportional to 284,328,018.80, 426,492,028.20 and 238,411,516.40

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Solution

The fourth proportional to 284,328,018.80, 426,492,028.20 and 238,411,516.40 is: 357,617,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,018.80 : 426,492,028.20 = 238,411,516.40 : x
  2. Step 2: Convert to fraction form
    284,328,018.80/426,492,028.20 = 238,411,516.40/x
  3. Step 3: Cross multiply
    284,328,018.80x = 426,492,028.20 × 238,411,516.40
  4. Step 4: Simplify right side
    284,328,018.80x = 101,680,611,175,673,568
  5. Step 5: Solve for x
    x = 101,680,611,175,673,568/284,328,018.80
  6. Step 6: Final answer
    x = 357,617,274.60

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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.