Home / 383,969,223.60-529,877,186.20-216,740,684.40

Finding the Fourth Proportional to 383,969,223.60, 529,877,186.20 and 216,740,684.40

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Solution

The fourth proportional to 383,969,223.60, 529,877,186.20 and 216,740,684.40 is: 299,101,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,969,223.60 : 529,877,186.20 = 216,740,684.40 : x
  2. Step 2: Convert to fraction form
    383,969,223.60/529,877,186.20 = 216,740,684.40/x
  3. Step 3: Cross multiply
    383,969,223.60x = 529,877,186.20 × 216,740,684.40
  4. Step 4: Simplify right side
    383,969,223.60x = 114,845,943,984,934,240
  5. Step 5: Solve for x
    x = 114,845,943,984,934,240/383,969,223.60
  6. Step 6: Final answer
    x = 299,101,951.21

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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.