Home / 547,005,308.30-820,507,962.45-164,052,860.30

Finding the Fourth Proportional to 547,005,308.30, 820,507,962.45 and 164,052,860.30

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Solution

The fourth proportional to 547,005,308.30, 820,507,962.45 and 164,052,860.30 is: 246,079,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,005,308.30 : 820,507,962.45 = 164,052,860.30 : x
  2. Step 2: Convert to fraction form
    547,005,308.30/820,507,962.45 = 164,052,860.30/x
  3. Step 3: Cross multiply
    547,005,308.30x = 820,507,962.45 × 164,052,860.30
  4. Step 4: Simplify right side
    547,005,308.30x = 134,606,678,138,847,520
  5. Step 5: Solve for x
    x = 134,606,678,138,847,520/547,005,308.30
  6. Step 6: Final answer
    x = 246,079,290.45

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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.