Home / 756,373,704.51-1,043,795,755.85-408,693,192.51

Finding the Fourth Proportional to 756,373,704.51, 1,043,795,755.85 and 408,693,192.51

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Solution

The fourth proportional to 756,373,704.51, 1,043,795,755.85 and 408,693,192.51 is: 563,996,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,373,704.51 : 1,043,795,755.85 = 408,693,192.51 : x
  2. Step 2: Convert to fraction form
    756,373,704.51/1,043,795,755.85 = 408,693,192.51/x
  3. Step 3: Cross multiply
    756,373,704.51x = 1,043,795,755.85 × 408,693,192.51
  4. Step 4: Simplify right side
    756,373,704.51x = 426,592,219,784,681,536
  5. Step 5: Solve for x
    x = 426,592,219,784,681,536/756,373,704.51
  6. Step 6: Final answer
    x = 563,996,629.23

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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.