Home / 376,474,794.04-519,547,817.82-209,218,105.72

Finding the Fourth Proportional to 376,474,794.04, 519,547,817.82 and 209,218,105.72

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Solution

The fourth proportional to 376,474,794.04, 519,547,817.82 and 209,218,105.72 is: 288,727,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,474,794.04 : 519,547,817.82 = 209,218,105.72 : x
  2. Step 2: Convert to fraction form
    376,474,794.04/519,547,817.82 = 209,218,105.72/x
  3. Step 3: Cross multiply
    376,474,794.04x = 519,547,817.82 × 209,218,105.72
  4. Step 4: Simplify right side
    376,474,794.04x = 108,698,810,275,260,064
  5. Step 5: Solve for x
    x = 108,698,810,275,260,064/376,474,794.04
  6. Step 6: Final answer
    x = 288,727,989.22

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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.