Home / 581,134,714.20-871,705,220.58-172,194,407.64

Finding the Fourth Proportional to 581,134,714.20, 871,705,220.58 and 172,194,407.64

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Solution

The fourth proportional to 581,134,714.20, 871,705,220.58 and 172,194,407.64 is: 258,292,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,134,714.20 : 871,705,220.58 = 172,194,407.64 : x
  2. Step 2: Convert to fraction form
    581,134,714.20/871,705,220.58 = 172,194,407.64/x
  3. Step 3: Cross multiply
    581,134,714.20x = 871,705,220.58 × 172,194,407.64
  4. Step 4: Simplify right side
    581,134,714.20x = 150,102,764,094,468,640
  5. Step 5: Solve for x
    x = 150,102,764,094,468,640/581,134,714.20
  6. Step 6: Final answer
    x = 258,292,544.61

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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.