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Finding the Fourth Proportional to 379,839,806.60, 569,759,709.90 and 375,808,728.20

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Solution

The fourth proportional to 379,839,806.60, 569,759,709.90 and 375,808,728.20 is: 563,713,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,839,806.60 : 569,759,709.90 = 375,808,728.20 : x
  2. Step 2: Convert to fraction form
    379,839,806.60/569,759,709.90 = 375,808,728.20/x
  3. Step 3: Cross multiply
    379,839,806.60x = 569,759,709.90 × 375,808,728.20
  4. Step 4: Simplify right side
    379,839,806.60x = 214,120,671,957,119,936
  5. Step 5: Solve for x
    x = 214,120,671,957,119,936/379,839,806.60
  6. Step 6: Final answer
    x = 563,713,092.30

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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.