Home / 13,815,439,358.64-19,065,306,167.36-7,471,807,191.60

Finding the Fourth Proportional to 13,815,439,358.64, 19,065,306,167.36 and 7,471,807,191.60

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Solution

The fourth proportional to 13,815,439,358.64, 19,065,306,167.36 and 7,471,807,191.60 is: 10,311,093,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,439,358.64 : 19,065,306,167.36 = 7,471,807,191.60 : x
  2. Step 2: Convert to fraction form
    13,815,439,358.64/19,065,306,167.36 = 7,471,807,191.60/x
  3. Step 3: Cross multiply
    13,815,439,358.64x = 19,065,306,167.36 × 7,471,807,191.60
  4. Step 4: Simplify right side
    13,815,439,358.64x = 142,452,291,731,336,298,496
  5. Step 5: Solve for x
    x = 142,452,291,731,336,298,496/13,815,439,358.64
  6. Step 6: Final answer
    x = 10,311,093,844.60

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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.