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Finding the Fourth Proportional to 469,740,811.15, 704,611,216.73 and 469,740,811.15

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Solution

The fourth proportional to 469,740,811.15, 704,611,216.73 and 469,740,811.15 is: 704,611,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,740,811.15 : 704,611,216.73 = 469,740,811.15 : x
  2. Step 2: Convert to fraction form
    469,740,811.15/704,611,216.73 = 469,740,811.15/x
  3. Step 3: Cross multiply
    469,740,811.15x = 704,611,216.73 × 469,740,811.15
  4. Step 4: Simplify right side
    469,740,811.15x = 330,984,644,489,789,952
  5. Step 5: Solve for x
    x = 330,984,644,489,789,952/469,740,811.15
  6. Step 6: Final answer
    x = 704,611,216.73

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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.