Home / 326,277,827.25-489,411,938.44-80,634,448.59

Finding the Fourth Proportional to 326,277,827.25, 489,411,938.44 and 80,634,448.59

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Solution

The fourth proportional to 326,277,827.25, 489,411,938.44 and 80,634,448.59 is: 120,950,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,277,827.25 : 489,411,938.44 = 80,634,448.59 : x
  2. Step 2: Convert to fraction form
    326,277,827.25/489,411,938.44 = 80,634,448.59/x
  3. Step 3: Cross multiply
    326,277,827.25x = 489,411,938.44 × 80,634,448.59
  4. Step 4: Simplify right side
    326,277,827.25x = 39,463,461,789,472,424
  5. Step 5: Solve for x
    x = 39,463,461,789,472,424/326,277,827.25
  6. Step 6: Final answer
    x = 120,950,486.04

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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.