Home / 7,936,947,913.95-11,905,453,068.48-3,215,359,020.78

Finding the Fourth Proportional to 7,936,947,913.95, 11,905,453,068.48 and 3,215,359,020.78

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Solution

The fourth proportional to 7,936,947,913.95, 11,905,453,068.48 and 3,215,359,020.78 is: 4,823,051,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936,947,913.95 : 11,905,453,068.48 = 3,215,359,020.78 : x
  2. Step 2: Convert to fraction form
    7,936,947,913.95/11,905,453,068.48 = 3,215,359,020.78/x
  3. Step 3: Cross multiply
    7,936,947,913.95x = 11,905,453,068.48 × 3,215,359,020.78
  4. Step 4: Simplify right side
    7,936,947,913.95x = 38,280,305,920,210,100,224
  5. Step 5: Solve for x
    x = 38,280,305,920,210,100,224/7,936,947,913.95
  6. Step 6: Final answer
    x = 4,823,051,169.70

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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.