Home / 20,944,912,475.55-28,903,741,110.52-11,429,626,117.26

Finding the Fourth Proportional to 20,944,912,475.55, 28,903,741,110.52 and 11,429,626,117.26

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Solution

The fourth proportional to 20,944,912,475.55, 28,903,741,110.52 and 11,429,626,117.26 is: 15,772,754,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944,912,475.55 : 28,903,741,110.52 = 11,429,626,117.26 : x
  2. Step 2: Convert to fraction form
    20,944,912,475.55/28,903,741,110.52 = 11,429,626,117.26/x
  3. Step 3: Cross multiply
    20,944,912,475.55x = 28,903,741,110.52 × 11,429,626,117.26
  4. Step 4: Simplify right side
    20,944,912,475.55x = 330,358,954,283,320,934,400
  5. Step 5: Solve for x
    x = 330,358,954,283,320,934,400/20,944,912,475.55
  6. Step 6: Final answer
    x = 15,772,754,107.66

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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.