Home / 369,187,948.32-509,422,765.26-212,524,785.60

Finding the Fourth Proportional to 369,187,948.32, 509,422,765.26 and 212,524,785.60

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Solution

The fourth proportional to 369,187,948.32, 509,422,765.26 and 212,524,785.60 is: 293,251,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,187,948.32 : 509,422,765.26 = 212,524,785.60 : x
  2. Step 2: Convert to fraction form
    369,187,948.32/509,422,765.26 = 212,524,785.60/x
  3. Step 3: Cross multiply
    369,187,948.32x = 509,422,765.26 × 212,524,785.60
  4. Step 4: Simplify right side
    369,187,948.32x = 108,264,963,966,640,624
  5. Step 5: Solve for x
    x = 108,264,963,966,640,624/369,187,948.32
  6. Step 6: Final answer
    x = 293,251,620.10

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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.