Home / 298,243,420.04-411,363,908.67-199,074,167.48

Finding the Fourth Proportional to 298,243,420.04, 411,363,908.67 and 199,074,167.48

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Solution

The fourth proportional to 298,243,420.04, 411,363,908.67 and 199,074,167.48 is: 274,580,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,243,420.04 : 411,363,908.67 = 199,074,167.48 : x
  2. Step 2: Convert to fraction form
    298,243,420.04/411,363,908.67 = 199,074,167.48/x
  3. Step 3: Cross multiply
    298,243,420.04x = 411,363,908.67 × 199,074,167.48
  4. Step 4: Simplify right side
    298,243,420.04x = 81,891,927,649,799,008
  5. Step 5: Solve for x
    x = 81,891,927,649,799,008/298,243,420.04
  6. Step 6: Final answer
    x = 274,580,836.15

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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.