Home / 14,278,404,560.67-19,683,431,278.61-9,978,267,146.85

Finding the Fourth Proportional to 14,278,404,560.67, 19,683,431,278.61 and 9,978,267,146.85

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Solution

The fourth proportional to 14,278,404,560.67, 19,683,431,278.61 and 9,978,267,146.85 is: 13,755,495,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,404,560.67 : 19,683,431,278.61 = 9,978,267,146.85 : x
  2. Step 2: Convert to fraction form
    14,278,404,560.67/19,683,431,278.61 = 9,978,267,146.85/x
  3. Step 3: Cross multiply
    14,278,404,560.67x = 19,683,431,278.61 × 9,978,267,146.85
  4. Step 4: Simplify right side
    14,278,404,560.67x = 196,406,535,664,583,966,720
  5. Step 5: Solve for x
    x = 196,406,535,664,583,966,720/14,278,404,560.67
  6. Step 6: Final answer
    x = 13,755,495,919.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.