Home / 541,627,597,347.49-747,401,655,984.72-318,863,080,111.15

Finding the Fourth Proportional to 541,627,597,347.49, 747,401,655,984.72 and 318,863,080,111.15

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Solution

The fourth proportional to 541,627,597,347.49, 747,401,655,984.72 and 318,863,080,111.15 is: 440,004,895,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,627,597,347.49 : 747,401,655,984.72 = 318,863,080,111.15 : x
  2. Step 2: Convert to fraction form
    541,627,597,347.49/747,401,655,984.72 = 318,863,080,111.15/x
  3. Step 3: Cross multiply
    541,627,597,347.49x = 747,401,655,984.72 × 318,863,080,111.15
  4. Step 4: Simplify right side
    541,627,597,347.49x = 238,318,794,107,461,950,242,816
  5. Step 5: Solve for x
    x = 238,318,794,107,461,950,242,816/541,627,597,347.49
  6. Step 6: Final answer
    x = 440,004,895,013.81

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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.