Home / 28,317,309,258.40-42,524,336,828.40-18,545,975,216.80

Finding the Fourth Proportional to 28,317,309,258.40, 42,524,336,828.40 and 18,545,975,216.80

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Solution

The fourth proportional to 28,317,309,258.40, 42,524,336,828.40 and 18,545,975,216.80 is: 27,850,643,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,309,258.40 : 42,524,336,828.40 = 18,545,975,216.80 : x
  2. Step 2: Convert to fraction form
    28,317,309,258.40/42,524,336,828.40 = 18,545,975,216.80/x
  3. Step 3: Cross multiply
    28,317,309,258.40x = 42,524,336,828.40 × 18,545,975,216.80
  4. Step 4: Simplify right side
    28,317,309,258.40x = 788,655,296,930,361,901,056
  5. Step 5: Solve for x
    x = 788,655,296,930,361,901,056/28,317,309,258.40
  6. Step 6: Final answer
    x = 27,850,643,920.08

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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.