Home / 406,713,601.75-561,326,122.49-248,035,781.89

Finding the Fourth Proportional to 406,713,601.75, 561,326,122.49 and 248,035,781.89

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Solution

The fourth proportional to 406,713,601.75, 561,326,122.49 and 248,035,781.89 is: 342,326,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,713,601.75 : 561,326,122.49 = 248,035,781.89 : x
  2. Step 2: Convert to fraction form
    406,713,601.75/561,326,122.49 = 248,035,781.89/x
  3. Step 3: Cross multiply
    406,713,601.75x = 561,326,122.49 × 248,035,781.89
  4. Step 4: Simplify right side
    406,713,601.75x = 139,228,963,683,042,256
  5. Step 5: Solve for x
    x = 139,228,963,683,042,256/406,713,601.75
  6. Step 6: Final answer
    x = 342,326,794.79

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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.