Home / 326,277,826.25-489,411,936.95-80,634,447.59

Finding the Fourth Proportional to 326,277,826.25, 489,411,936.95 and 80,634,447.59

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Solution

The fourth proportional to 326,277,826.25, 489,411,936.95 and 80,634,447.59 is: 120,950,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,277,826.25 : 489,411,936.95 = 80,634,447.59 : x
  2. Step 2: Convert to fraction form
    326,277,826.25/489,411,936.95 = 80,634,447.59/x
  3. Step 3: Cross multiply
    326,277,826.25x = 489,411,936.95 × 80,634,447.59
  4. Step 4: Simplify right side
    326,277,826.25x = 39,463,461,177,064,920
  5. Step 5: Solve for x
    x = 39,463,461,177,064,920/326,277,826.25
  6. Step 6: Final answer
    x = 120,950,484.53

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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.