Home / 13,824,979,478.56-19,076,419,342.74-8,396,690,307.40

Finding the Fourth Proportional to 13,824,979,478.56, 19,076,419,342.74 and 8,396,690,307.40

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Solution

The fourth proportional to 13,824,979,478.56, 19,076,419,342.74 and 8,396,690,307.40 is: 11,586,186,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,979,478.56 : 19,076,419,342.74 = 8,396,690,307.40 : x
  2. Step 2: Convert to fraction form
    13,824,979,478.56/19,076,419,342.74 = 8,396,690,307.40/x
  3. Step 3: Cross multiply
    13,824,979,478.56x = 19,076,419,342.74 × 8,396,690,307.40
  4. Step 4: Simplify right side
    13,824,979,478.56x = 160,178,785,395,082,854,400
  5. Step 5: Solve for x
    x = 160,178,785,395,082,854,400/13,824,979,478.56
  6. Step 6: Final answer
    x = 11,586,186,123.71

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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.