Home / 402,055,671.80-601,232,131.22-382,442,509.54

Finding the Fourth Proportional to 402,055,671.80, 601,232,131.22 and 382,442,509.54

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Solution

The fourth proportional to 402,055,671.80, 601,232,131.22 and 382,442,509.54 is: 571,902,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,055,671.80 : 601,232,131.22 = 382,442,509.54 : x
  2. Step 2: Convert to fraction form
    402,055,671.80/601,232,131.22 = 382,442,509.54/x
  3. Step 3: Cross multiply
    402,055,671.80x = 601,232,131.22 × 382,442,509.54
  4. Step 4: Simplify right side
    402,055,671.80x = 229,936,725,079,859,392
  5. Step 5: Solve for x
    x = 229,936,725,079,859,392/402,055,671.80
  6. Step 6: Final answer
    x = 571,902,702.06

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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.