Home / 411,292,411.77-616,916,889.42-134,907,219.51

Finding the Fourth Proportional to 411,292,411.77, 616,916,889.42 and 134,907,219.51

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Solution

The fourth proportional to 411,292,411.77, 616,916,889.42 and 134,907,219.51 is: 202,353,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,292,411.77 : 616,916,889.42 = 134,907,219.51 : x
  2. Step 2: Convert to fraction form
    411,292,411.77/616,916,889.42 = 134,907,219.51/x
  3. Step 3: Cross multiply
    411,292,411.77x = 616,916,889.42 × 134,907,219.51
  4. Step 4: Simplify right side
    411,292,411.77x = 83,226,542,220,410,320
  5. Step 5: Solve for x
    x = 83,226,542,220,410,320/411,292,411.77
  6. Step 6: Final answer
    x = 202,353,702.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.