Home / 383,364,766.80-574,655,239.80-188,977,208.40

Finding the Fourth Proportional to 383,364,766.80, 574,655,239.80 and 188,977,208.40

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Solution

The fourth proportional to 383,364,766.80, 574,655,239.80 and 188,977,208.40 is: 283,272,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,364,766.80 : 574,655,239.80 = 188,977,208.40 : x
  2. Step 2: Convert to fraction form
    383,364,766.80/574,655,239.80 = 188,977,208.40/x
  3. Step 3: Cross multiply
    383,364,766.80x = 574,655,239.80 × 188,977,208.40
  4. Step 4: Simplify right side
    383,364,766.80x = 108,596,743,009,836,576
  5. Step 5: Solve for x
    x = 108,596,743,009,836,576/383,364,766.80
  6. Step 6: Final answer
    x = 283,272,622.88

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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.