Home / 383,763,095.31-529,593,072.36-207,551,090.66

Finding the Fourth Proportional to 383,763,095.31, 529,593,072.36 and 207,551,090.66

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Solution

The fourth proportional to 383,763,095.31, 529,593,072.36 and 207,551,090.66 is: 286,420,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,763,095.31 : 529,593,072.36 = 207,551,090.66 : x
  2. Step 2: Convert to fraction form
    383,763,095.31/529,593,072.36 = 207,551,090.66/x
  3. Step 3: Cross multiply
    383,763,095.31x = 529,593,072.36 × 207,551,090.66
  4. Step 4: Simplify right side
    383,763,095.31x = 109,917,619,771,650,336
  5. Step 5: Solve for x
    x = 109,917,619,771,650,336/383,763,095.31
  6. Step 6: Final answer
    x = 286,420,505.56

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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.