Home / 552,599,750.90-762,931,812.44-351,769,940.80

Finding the Fourth Proportional to 552,599,750.90, 762,931,812.44 and 351,769,940.80

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Solution

The fourth proportional to 552,599,750.90, 762,931,812.44 and 351,769,940.80 is: 485,661,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,599,750.90 : 762,931,812.44 = 351,769,940.80 : x
  2. Step 2: Convert to fraction form
    552,599,750.90/762,931,812.44 = 351,769,940.80/x
  3. Step 3: Cross multiply
    552,599,750.90x = 762,931,812.44 × 351,769,940.80
  4. Step 4: Simplify right side
    552,599,750.90x = 268,376,478,496,455,520
  5. Step 5: Solve for x
    x = 268,376,478,496,455,520/552,599,750.90
  6. Step 6: Final answer
    x = 485,661,598.76

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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.