Home / 5,299,392,917.32-7,313,163,377.42-2,888,075,981.03

Finding the Fourth Proportional to 5,299,392,917.32, 7,313,163,377.42 and 2,888,075,981.03

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Solution

The fourth proportional to 5,299,392,917.32, 7,313,163,377.42 and 2,888,075,981.03 is: 3,985,545,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299,392,917.32 : 7,313,163,377.42 = 2,888,075,981.03 : x
  2. Step 2: Convert to fraction form
    5,299,392,917.32/7,313,163,377.42 = 2,888,075,981.03/x
  3. Step 3: Cross multiply
    5,299,392,917.32x = 7,313,163,377.42 × 2,888,075,981.03
  4. Step 4: Simplify right side
    5,299,392,917.32x = 21,120,971,495,645,589,504
  5. Step 5: Solve for x
    x = 21,120,971,495,645,589,504/5,299,392,917.32
  6. Step 6: Final answer
    x = 3,985,545,481.38

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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.