Home / 699,779,161.98-1,049,262,644.88-331,311,020.76

Finding the Fourth Proportional to 699,779,161.98, 1,049,262,644.88 and 331,311,020.76

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Solution

The fourth proportional to 699,779,161.98, 1,049,262,644.88 and 331,311,020.76 is: 496,774,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,779,161.98 : 1,049,262,644.88 = 331,311,020.76 : x
  2. Step 2: Convert to fraction form
    699,779,161.98/1,049,262,644.88 = 331,311,020.76/x
  3. Step 3: Cross multiply
    699,779,161.98x = 1,049,262,644.88 × 331,311,020.76
  4. Step 4: Simplify right side
    699,779,161.98x = 347,632,277,920,530,176
  5. Step 5: Solve for x
    x = 347,632,277,920,530,176/699,779,161.98
  6. Step 6: Final answer
    x = 496,774,263.66

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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.