Home / 451,424,136.88-622,335,578.80-302,771,822.32

Finding the Fourth Proportional to 451,424,136.88, 622,335,578.80 and 302,771,822.32

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Solution

The fourth proportional to 451,424,136.88, 622,335,578.80 and 302,771,822.32 is: 417,402,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,424,136.88 : 622,335,578.80 = 302,771,822.32 : x
  2. Step 2: Convert to fraction form
    451,424,136.88/622,335,578.80 = 302,771,822.32/x
  3. Step 3: Cross multiply
    451,424,136.88x = 622,335,578.80 × 302,771,822.32
  4. Step 4: Simplify right side
    451,424,136.88x = 188,425,677,287,847,936
  5. Step 5: Solve for x
    x = 188,425,677,287,847,936/451,424,136.88
  6. Step 6: Final answer
    x = 417,402,752.52

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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.