Home / 639,373,772.34-882,335,797.56-346,018,340.34

Finding the Fourth Proportional to 639,373,772.34, 882,335,797.56 and 346,018,340.34

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Solution

The fourth proportional to 639,373,772.34, 882,335,797.56 and 346,018,340.34 is: 477,505,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,373,772.34 : 882,335,797.56 = 346,018,340.34 : x
  2. Step 2: Convert to fraction form
    639,373,772.34/882,335,797.56 = 346,018,340.34/x
  3. Step 3: Cross multiply
    639,373,772.34x = 882,335,797.56 × 346,018,340.34
  4. Step 4: Simplify right side
    639,373,772.34x = 305,304,368,294,281,408
  5. Step 5: Solve for x
    x = 305,304,368,294,281,408/639,373,772.34
  6. Step 6: Final answer
    x = 477,505,305.19

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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.