Home / 383,020,221.47-574,611,032.57-124,215,261.57

Finding the Fourth Proportional to 383,020,221.47, 574,611,032.57 and 124,215,261.57

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Solution

The fourth proportional to 383,020,221.47, 574,611,032.57 and 124,215,261.57 is: 186,349,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,020,221.47 : 574,611,032.57 = 124,215,261.57 : x
  2. Step 2: Convert to fraction form
    383,020,221.47/574,611,032.57 = 124,215,261.57/x
  3. Step 3: Cross multiply
    383,020,221.47x = 574,611,032.57 × 124,215,261.57
  4. Step 4: Simplify right side
    383,020,221.47x = 71,375,459,711,069,264
  5. Step 5: Solve for x
    x = 71,375,459,711,069,264/383,020,221.47
  6. Step 6: Final answer
    x = 186,349,063.86

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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.