Home / 13,301,310,282.30-18,355,856,835.02-7,197,662,895.66

Finding the Fourth Proportional to 13,301,310,282.30, 18,355,856,835.02 and 7,197,662,895.66

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Solution

The fourth proportional to 13,301,310,282.30, 18,355,856,835.02 and 7,197,662,895.66 is: 9,932,801,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,310,282.30 : 18,355,856,835.02 = 7,197,662,895.66 : x
  2. Step 2: Convert to fraction form
    13,301,310,282.30/18,355,856,835.02 = 7,197,662,895.66/x
  3. Step 3: Cross multiply
    13,301,310,282.30x = 18,355,856,835.02 × 7,197,662,895.66
  4. Step 4: Simplify right side
    13,301,310,282.30x = 132,119,269,659,434,467,328
  5. Step 5: Solve for x
    x = 132,119,269,659,434,467,328/13,301,310,282.30
  6. Step 6: Final answer
    x = 9,932,801,119.24

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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.