Home / 1,911,286,010,379.20-2,867,381,172,048.50-620,494,769,430.78

Finding the Fourth Proportional to 1,911,286,010,379.20, 2,867,381,172,048.50 and 620,494,769,430.78

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Solution

The fourth proportional to 1,911,286,010,379.20, 2,867,381,172,048.50 and 620,494,769,430.78 is: 930,888,945,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,286,010,379.20 : 2,867,381,172,048.50 = 620,494,769,430.78 : x
  2. Step 2: Convert to fraction form
    1,911,286,010,379.20/2,867,381,172,048.50 = 620,494,769,430.78/x
  3. Step 3: Cross multiply
    1,911,286,010,379.20x = 2,867,381,172,048.50 × 620,494,769,430.78
  4. Step 4: Simplify right side
    1,911,286,010,379.20x = 1,779,195,019,220,393,868,132,352
  5. Step 5: Solve for x
    x = 1,779,195,019,220,393,868,132,352/1,911,286,010,379.20
  6. Step 6: Final answer
    x = 930,888,945,745.70

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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.