Home / 510,103,801.92-703,767,079.16-309,225,083.04

Finding the Fourth Proportional to 510,103,801.92, 703,767,079.16 and 309,225,083.04

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Solution

The fourth proportional to 510,103,801.92, 703,767,079.16 and 309,225,083.04 is: 426,623,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,103,801.92 : 703,767,079.16 = 309,225,083.04 : x
  2. Step 2: Convert to fraction form
    510,103,801.92/703,767,079.16 = 309,225,083.04/x
  3. Step 3: Cross multiply
    510,103,801.92x = 703,767,079.16 × 309,225,083.04
  4. Step 4: Simplify right side
    510,103,801.92x = 217,622,433,494,069,248
  5. Step 5: Solve for x
    x = 217,622,433,494,069,248/510,103,801.92
  6. Step 6: Final answer
    x = 426,623,821.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.