Home / 445,708,832.80-668,563,249.20-369,118,343.20

Finding the Fourth Proportional to 445,708,832.80, 668,563,249.20 and 369,118,343.20

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Solution

The fourth proportional to 445,708,832.80, 668,563,249.20 and 369,118,343.20 is: 553,677,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,708,832.80 : 668,563,249.20 = 369,118,343.20 : x
  2. Step 2: Convert to fraction form
    445,708,832.80/668,563,249.20 = 369,118,343.20/x
  3. Step 3: Cross multiply
    445,708,832.80x = 668,563,249.20 × 369,118,343.20
  4. Step 4: Simplify right side
    445,708,832.80x = 246,778,958,869,112,736
  5. Step 5: Solve for x
    x = 246,778,958,869,112,736/445,708,832.80
  6. Step 6: Final answer
    x = 553,677,514.80

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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.