Home / 7,638,011,988.57-11,457,021,159.54-3,436,056,766.85

Finding the Fourth Proportional to 7,638,011,988.57, 11,457,021,159.54 and 3,436,056,766.85

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Solution

The fourth proportional to 7,638,011,988.57, 11,457,021,159.54 and 3,436,056,766.85 is: 5,154,086,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,011,988.57 : 11,457,021,159.54 = 3,436,056,766.85 : x
  2. Step 2: Convert to fraction form
    7,638,011,988.57/11,457,021,159.54 = 3,436,056,766.85/x
  3. Step 3: Cross multiply
    7,638,011,988.57x = 11,457,021,159.54 × 3,436,056,766.85
  4. Step 4: Simplify right side
    7,638,011,988.57x = 39,366,975,083,123,769,344
  5. Step 5: Solve for x
    x = 39,366,975,083,123,769,344/7,638,011,988.57
  6. Step 6: Final answer
    x = 5,154,086,579.34

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1.5x scale

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.