Home / 699,779,162.98-1,049,262,646.38-331,311,021.76

Finding the Fourth Proportional to 699,779,162.98, 1,049,262,646.38 and 331,311,021.76

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Solution

The fourth proportional to 699,779,162.98, 1,049,262,646.38 and 331,311,021.76 is: 496,774,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,779,162.98 : 1,049,262,646.38 = 331,311,021.76 : x
  2. Step 2: Convert to fraction form
    699,779,162.98/1,049,262,646.38 = 331,311,021.76/x
  3. Step 3: Cross multiply
    699,779,162.98x = 1,049,262,646.38 × 331,311,021.76
  4. Step 4: Simplify right side
    699,779,162.98x = 347,632,279,466,759,360
  5. Step 5: Solve for x
    x = 347,632,279,466,759,360/699,779,162.98
  6. Step 6: Final answer
    x = 496,774,265.16

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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.