Home / 340,157,777.46-469,167,115.03-256,529,432.49

Finding the Fourth Proportional to 340,157,777.46, 469,167,115.03 and 256,529,432.49

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Solution

The fourth proportional to 340,157,777.46, 469,167,115.03 and 256,529,432.49 is: 353,821,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,157,777.46 : 469,167,115.03 = 256,529,432.49 : x
  2. Step 2: Convert to fraction form
    340,157,777.46/469,167,115.03 = 256,529,432.49/x
  3. Step 3: Cross multiply
    340,157,777.46x = 469,167,115.03 × 256,529,432.49
  4. Step 4: Simplify right side
    340,157,777.46x = 120,355,173,761,616,448
  5. Step 5: Solve for x
    x = 120,355,173,761,616,448/340,157,777.46
  6. Step 6: Final answer
    x = 353,821,613.78

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1.5x scale

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.