Home / 729,051,653.03-1,005,983,052.45-442,794,216.27

Finding the Fourth Proportional to 729,051,653.03, 1,005,983,052.45 and 442,794,216.27

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Solution

The fourth proportional to 729,051,653.03, 1,005,983,052.45 and 442,794,216.27 is: 610,990,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,051,653.03 : 1,005,983,052.45 = 442,794,216.27 : x
  2. Step 2: Convert to fraction form
    729,051,653.03/1,005,983,052.45 = 442,794,216.27/x
  3. Step 3: Cross multiply
    729,051,653.03x = 1,005,983,052.45 × 442,794,216.27
  4. Step 4: Simplify right side
    729,051,653.03x = 445,443,477,290,500,032
  5. Step 5: Solve for x
    x = 445,443,477,290,500,032/729,051,653.03
  6. Step 6: Final answer
    x = 610,990,285.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.