Home / 347,740,810.80-521,611,216.20-311,461,105.20

Finding the Fourth Proportional to 347,740,810.80, 521,611,216.20 and 311,461,105.20

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Solution

The fourth proportional to 347,740,810.80, 521,611,216.20 and 311,461,105.20 is: 467,191,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,740,810.80 : 521,611,216.20 = 311,461,105.20 : x
  2. Step 2: Convert to fraction form
    347,740,810.80/521,611,216.20 = 311,461,105.20/x
  3. Step 3: Cross multiply
    347,740,810.80x = 521,611,216.20 × 311,461,105.20
  4. Step 4: Simplify right side
    347,740,810.80x = 162,461,605,882,368,128
  5. Step 5: Solve for x
    x = 162,461,605,882,368,128/347,740,810.80
  6. Step 6: Final answer
    x = 467,191,657.80

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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.