Home / 331,721,167.80-497,581,751.70-326,619,334.20

Finding the Fourth Proportional to 331,721,167.80, 497,581,751.70 and 326,619,334.20

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Solution

The fourth proportional to 331,721,167.80, 497,581,751.70 and 326,619,334.20 is: 489,929,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,721,167.80 : 497,581,751.70 = 326,619,334.20 : x
  2. Step 2: Convert to fraction form
    331,721,167.80/497,581,751.70 = 326,619,334.20/x
  3. Step 3: Cross multiply
    331,721,167.80x = 497,581,751.70 × 326,619,334.20
  4. Step 4: Simplify right side
    331,721,167.80x = 162,519,820,450,323,712
  5. Step 5: Solve for x
    x = 162,519,820,450,323,712/331,721,167.80
  6. Step 6: Final answer
    x = 489,929,001.30

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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.