Home / 371,306,951.05-512,291,851.90-222,573,803.94

Finding the Fourth Proportional to 371,306,951.05, 512,291,851.90 and 222,573,803.94

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Solution

The fourth proportional to 371,306,951.05, 512,291,851.90 and 222,573,803.94 is: 307,084,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,306,951.05 : 512,291,851.90 = 222,573,803.94 : x
  2. Step 2: Convert to fraction form
    371,306,951.05/512,291,851.90 = 222,573,803.94/x
  3. Step 3: Cross multiply
    371,306,951.05x = 512,291,851.90 × 222,573,803.94
  4. Step 4: Simplify right side
    371,306,951.05x = 114,022,746,202,372,576
  5. Step 5: Solve for x
    x = 114,022,746,202,372,576/371,306,951.05
  6. Step 6: Final answer
    x = 307,084,868.41

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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.