Home / 5,180,538,082.36-7,149,163,947.54-2,801,675,969.50

Finding the Fourth Proportional to 5,180,538,082.36, 7,149,163,947.54 and 2,801,675,969.50

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Solution

The fourth proportional to 5,180,538,082.36, 7,149,163,947.54 and 2,801,675,969.50 is: 3,866,324,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,538,082.36 : 7,149,163,947.54 = 2,801,675,969.50 : x
  2. Step 2: Convert to fraction form
    5,180,538,082.36/7,149,163,947.54 = 2,801,675,969.50/x
  3. Step 3: Cross multiply
    5,180,538,082.36x = 7,149,163,947.54 × 2,801,675,969.50
  4. Step 4: Simplify right side
    5,180,538,082.36x = 20,029,640,833,838,575,616
  5. Step 5: Solve for x
    x = 20,029,640,833,838,575,616/5,180,538,082.36
  6. Step 6: Final answer
    x = 3,866,324,407.89

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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.