Home / 413,938,940.48-571,324,139.81-237,824,043.19

Finding the Fourth Proportional to 413,938,940.48, 571,324,139.81 and 237,824,043.19

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Solution

The fourth proportional to 413,938,940.48, 571,324,139.81 and 237,824,043.19 is: 328,247,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,938,940.48 : 571,324,139.81 = 237,824,043.19 : x
  2. Step 2: Convert to fraction form
    413,938,940.48/571,324,139.81 = 237,824,043.19/x
  3. Step 3: Cross multiply
    413,938,940.48x = 571,324,139.81 × 237,824,043.19
  4. Step 4: Simplify right side
    413,938,940.48x = 135,874,616,899,937,456
  5. Step 5: Solve for x
    x = 135,874,616,899,937,456/413,938,940.48
  6. Step 6: Final answer
    x = 328,247,969.96

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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.