Home / 340,157,776.46-469,167,113.66-256,529,431.49

Finding the Fourth Proportional to 340,157,776.46, 469,167,113.66 and 256,529,431.49

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Solution

The fourth proportional to 340,157,776.46, 469,167,113.66 and 256,529,431.49 is: 353,821,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,157,776.46 : 469,167,113.66 = 256,529,431.49 : x
  2. Step 2: Convert to fraction form
    340,157,776.46/469,167,113.66 = 256,529,431.49/x
  3. Step 3: Cross multiply
    340,157,776.46x = 469,167,113.66 × 256,529,431.49
  4. Step 4: Simplify right side
    340,157,776.46x = 120,355,172,937,375,536
  5. Step 5: Solve for x
    x = 120,355,172,937,375,536/340,157,776.46
  6. Step 6: Final answer
    x = 353,821,612.40

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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.