Home / 558,603,913.86-770,818,213.17-311,108,297.22

Finding the Fourth Proportional to 558,603,913.86, 770,818,213.17 and 311,108,297.22

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Solution

The fourth proportional to 558,603,913.86, 770,818,213.17 and 311,108,297.22 is: 429,298,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,603,913.86 : 770,818,213.17 = 311,108,297.22 : x
  2. Step 2: Convert to fraction form
    558,603,913.86/770,818,213.17 = 311,108,297.22/x
  3. Step 3: Cross multiply
    558,603,913.86x = 770,818,213.17 × 311,108,297.22
  4. Step 4: Simplify right side
    558,603,913.86x = 239,807,941,765,481,696
  5. Step 5: Solve for x
    x = 239,807,941,765,481,696/558,603,913.86
  6. Step 6: Final answer
    x = 429,298,713.84

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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.