Home / 445,824,508.80-668,169,892.80-215,297,212.80

Finding the Fourth Proportional to 445,824,508.80, 668,169,892.80 and 215,297,212.80

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Solution

The fourth proportional to 445,824,508.80, 668,169,892.80 and 215,297,212.80 is: 322,672,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,508.80 : 668,169,892.80 = 215,297,212.80 : x
  2. Step 2: Convert to fraction form
    445,824,508.80/668,169,892.80 = 215,297,212.80/x
  3. Step 3: Cross multiply
    445,824,508.80x = 668,169,892.80 × 215,297,212.80
  4. Step 4: Simplify right side
    445,824,508.80x = 143,855,115,596,714,784
  5. Step 5: Solve for x
    x = 143,855,115,596,714,784/445,824,508.80
  6. Step 6: Final answer
    x = 322,672,066.60

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1.5x scale

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.