Home / 291,350,698.20-437,026,047.30-210,040,225.20

Finding the Fourth Proportional to 291,350,698.20, 437,026,047.30 and 210,040,225.20

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Solution

The fourth proportional to 291,350,698.20, 437,026,047.30 and 210,040,225.20 is: 315,060,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,350,698.20 : 437,026,047.30 = 210,040,225.20 : x
  2. Step 2: Convert to fraction form
    291,350,698.20/437,026,047.30 = 210,040,225.20/x
  3. Step 3: Cross multiply
    291,350,698.20x = 437,026,047.30 × 210,040,225.20
  4. Step 4: Simplify right side
    291,350,698.20x = 91,793,049,393,157,856
  5. Step 5: Solve for x
    x = 91,793,049,393,157,856/291,350,698.20
  6. Step 6: Final answer
    x = 315,060,337.80

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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.