Home / 464,404,992.40-695,935,642.20-205,408,205.20

Finding the Fourth Proportional to 464,404,992.40, 695,935,642.20 and 205,408,205.20

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Solution

The fourth proportional to 464,404,992.40, 695,935,642.20 and 205,408,205.20 is: 307,815,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,404,992.40 : 695,935,642.20 = 205,408,205.20 : x
  2. Step 2: Convert to fraction form
    464,404,992.40/695,935,642.20 = 205,408,205.20/x
  3. Step 3: Cross multiply
    464,404,992.40x = 695,935,642.20 × 205,408,205.20
  4. Step 4: Simplify right side
    464,404,992.40x = 142,950,891,199,011,376
  5. Step 5: Solve for x
    x = 142,950,891,199,011,376/464,404,992.40
  6. Step 6: Final answer
    x = 307,815,147.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.