Home / 284,315,335.40-426,472,999.90-68,904,583.40

Finding the Fourth Proportional to 284,315,335.40, 426,472,999.90 and 68,904,583.40

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Solution

The fourth proportional to 284,315,335.40, 426,472,999.90 and 68,904,583.40 is: 103,356,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,315,335.40 : 426,472,999.90 = 68,904,583.40 : x
  2. Step 2: Convert to fraction form
    284,315,335.40/426,472,999.90 = 68,904,583.40/x
  3. Step 3: Cross multiply
    284,315,335.40x = 426,472,999.90 × 68,904,583.40
  4. Step 4: Simplify right side
    284,315,335.40x = 29,385,944,389,457,744
  5. Step 5: Solve for x
    x = 29,385,944,389,457,744/284,315,335.40
  6. Step 6: Final answer
    x = 103,356,874.32

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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.