Home / 445,824,144.80-668,169,346.80-215,296,848.80

Finding the Fourth Proportional to 445,824,144.80, 668,169,346.80 and 215,296,848.80

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Solution

The fourth proportional to 445,824,144.80, 668,169,346.80 and 215,296,848.80 is: 322,671,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,144.80 : 668,169,346.80 = 215,296,848.80 : x
  2. Step 2: Convert to fraction form
    445,824,144.80/668,169,346.80 = 215,296,848.80/x
  3. Step 3: Cross multiply
    445,824,144.80x = 668,169,346.80 × 215,296,848.80
  4. Step 4: Simplify right side
    445,824,144.80x = 143,854,754,830,794,368
  5. Step 5: Solve for x
    x = 143,854,754,830,794,368/445,824,144.80
  6. Step 6: Final answer
    x = 322,671,520.84

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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.