Home / 541,678,374.99-812,261,429.45-209,840,808.48

Finding the Fourth Proportional to 541,678,374.99, 812,261,429.45 and 209,840,808.48

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Solution

The fourth proportional to 541,678,374.99, 812,261,429.45 and 209,840,808.48 is: 314,661,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,678,374.99 : 812,261,429.45 = 209,840,808.48 : x
  2. Step 2: Convert to fraction form
    541,678,374.99/812,261,429.45 = 209,840,808.48/x
  3. Step 3: Cross multiply
    541,678,374.99x = 812,261,429.45 × 209,840,808.48
  4. Step 4: Simplify right side
    541,678,374.99x = 170,445,595,051,859,264
  5. Step 5: Solve for x
    x = 170,445,595,051,859,264/541,678,374.99
  6. Step 6: Final answer
    x = 314,661,989.33

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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.