Home / 641,466,585.37-885,223,851.68-348,111,153.37

Finding the Fourth Proportional to 641,466,585.37, 885,223,851.68 and 348,111,153.37

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Solution

The fourth proportional to 641,466,585.37, 885,223,851.68 and 348,111,153.37 is: 480,393,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,466,585.37 : 885,223,851.68 = 348,111,153.37 : x
  2. Step 2: Convert to fraction form
    641,466,585.37/885,223,851.68 = 348,111,153.37/x
  3. Step 3: Cross multiply
    641,466,585.37x = 885,223,851.68 × 348,111,153.37
  4. Step 4: Simplify right side
    641,466,585.37x = 308,156,295,996,310,464
  5. Step 5: Solve for x
    x = 308,156,295,996,310,464/641,466,585.37
  6. Step 6: Final answer
    x = 480,393,372.04

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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.