Home / 326,114,681.34-489,387,255.63-172,868,354.58

Finding the Fourth Proportional to 326,114,681.34, 489,387,255.63 and 172,868,354.58

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Solution

The fourth proportional to 326,114,681.34, 489,387,255.63 and 172,868,354.58 is: 259,416,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,114,681.34 : 489,387,255.63 = 172,868,354.58 : x
  2. Step 2: Convert to fraction form
    326,114,681.34/489,387,255.63 = 172,868,354.58/x
  3. Step 3: Cross multiply
    326,114,681.34x = 489,387,255.63 × 172,868,354.58
  4. Step 4: Simplify right side
    326,114,681.34x = 84,599,569,633,179,952
  5. Step 5: Solve for x
    x = 84,599,569,633,179,952/326,114,681.34
  6. Step 6: Final answer
    x = 259,416,623.89

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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.