Home / 481,559,852.80-664,555,998.09-261,543,278.80

Finding the Fourth Proportional to 481,559,852.80, 664,555,998.09 and 261,543,278.80

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Solution

The fourth proportional to 481,559,852.80, 664,555,998.09 and 261,543,278.80 is: 360,931,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,559,852.80 : 664,555,998.09 = 261,543,278.80 : x
  2. Step 2: Convert to fraction form
    481,559,852.80/664,555,998.09 = 261,543,278.80/x
  3. Step 3: Cross multiply
    481,559,852.80x = 664,555,998.09 × 261,543,278.80
  4. Step 4: Simplify right side
    481,559,852.80x = 173,810,154,687,004,128
  5. Step 5: Solve for x
    x = 173,810,154,687,004,128/481,559,852.80
  6. Step 6: Final answer
    x = 360,931,572.01

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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.