Home / 455,521,842.68-628,620,749.11-246,678,345.50

Finding the Fourth Proportional to 455,521,842.68, 628,620,749.11 and 246,678,345.50

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Solution

The fourth proportional to 455,521,842.68, 628,620,749.11 and 246,678,345.50 is: 340,416,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,521,842.68 : 628,620,749.11 = 246,678,345.50 : x
  2. Step 2: Convert to fraction form
    455,521,842.68/628,620,749.11 = 246,678,345.50/x
  3. Step 3: Cross multiply
    455,521,842.68x = 628,620,749.11 × 246,678,345.50
  4. Step 4: Simplify right side
    455,521,842.68x = 155,067,126,337,425,408
  5. Step 5: Solve for x
    x = 155,067,126,337,425,408/455,521,842.68
  6. Step 6: Final answer
    x = 340,416,445.07

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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.