Home / 704,392,539.98-972,139,401.56-403,005,853.49

Finding the Fourth Proportional to 704,392,539.98, 972,139,401.56 and 403,005,853.49

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Solution

The fourth proportional to 704,392,539.98, 972,139,401.56 and 403,005,853.49 is: 556,192,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,392,539.98 : 972,139,401.56 = 403,005,853.49 : x
  2. Step 2: Convert to fraction form
    704,392,539.98/972,139,401.56 = 403,005,853.49/x
  3. Step 3: Cross multiply
    704,392,539.98x = 972,139,401.56 × 403,005,853.49
  4. Step 4: Simplify right side
    704,392,539.98x = 391,777,869,234,930,624
  5. Step 5: Solve for x
    x = 391,777,869,234,930,624/704,392,539.98
  6. Step 6: Final answer
    x = 556,192,530.44

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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.