Home / 481,559,820.77-664,555,953.89-261,543,246.77

Finding the Fourth Proportional to 481,559,820.77, 664,555,953.89 and 261,543,246.77

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Solution

The fourth proportional to 481,559,820.77, 664,555,953.89 and 261,543,246.77 is: 360,931,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,559,820.77 : 664,555,953.89 = 261,543,246.77 : x
  2. Step 2: Convert to fraction form
    481,559,820.77/664,555,953.89 = 261,543,246.77/x
  3. Step 3: Cross multiply
    481,559,820.77x = 664,555,953.89 × 261,543,246.77
  4. Step 4: Simplify right side
    481,559,820.77x = 173,810,121,840,725,024
  5. Step 5: Solve for x
    x = 173,810,121,840,725,024/481,559,820.77
  6. Step 6: Final answer
    x = 360,931,527.81

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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.