Home / 7,936,948,075.72-11,905,453,311-3,215,359,182.28

Finding the Fourth Proportional to 7,936,948,075.72, 11,905,453,311 and 3,215,359,182.28

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Solution

The fourth proportional to 7,936,948,075.72, 11,905,453,311 and 3,215,359,182.28 is: 4,823,051,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936,948,075.72 : 11,905,453,311 = 3,215,359,182.28 : x
  2. Step 2: Convert to fraction form
    7,936,948,075.72/11,905,453,311 = 3,215,359,182.28/x
  3. Step 3: Cross multiply
    7,936,948,075.72x = 11,905,453,311 × 3,215,359,182.28
  4. Step 4: Simplify right side
    7,936,948,075.72x = 38,280,308,622,729,682,944
  5. Step 5: Solve for x
    x = 38,280,308,622,729,682,944/7,936,948,075.72
  6. Step 6: Final answer
    x = 4,823,051,411.89

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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.