Home / 293,419,931.80-440,129,897.70-220,240,506.10

Finding the Fourth Proportional to 293,419,931.80, 440,129,897.70 and 220,240,506.10

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Solution

The fourth proportional to 293,419,931.80, 440,129,897.70 and 220,240,506.10 is: 330,360,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,931.80 : 440,129,897.70 = 220,240,506.10 : x
  2. Step 2: Convert to fraction form
    293,419,931.80/440,129,897.70 = 220,240,506.10/x
  3. Step 3: Cross multiply
    293,419,931.80x = 440,129,897.70 × 220,240,506.10
  4. Step 4: Simplify right side
    293,419,931.80x = 96,934,431,419,189,216
  5. Step 5: Solve for x
    x = 96,934,431,419,189,216/293,419,931.80
  6. Step 6: Final answer
    x = 330,360,759.15

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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.