Home / 5,168,184,074.79-7,132,123,078.38-2,940,516,263.04

Finding the Fourth Proportional to 5,168,184,074.79, 7,132,123,078.38 and 2,940,516,263.04

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Solution

The fourth proportional to 5,168,184,074.79, 7,132,123,078.38 and 2,940,516,263.04 is: 4,057,928,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,184,074.79 : 7,132,123,078.38 = 2,940,516,263.04 : x
  2. Step 2: Convert to fraction form
    5,168,184,074.79/7,132,123,078.38 = 2,940,516,263.04/x
  3. Step 3: Cross multiply
    5,168,184,074.79x = 7,132,123,078.38 × 2,940,516,263.04
  4. Step 4: Simplify right side
    5,168,184,074.79x = 20,972,123,901,979,299,840
  5. Step 5: Solve for x
    x = 20,972,123,901,979,299,840/5,168,184,074.79
  6. Step 6: Final answer
    x = 4,057,928,974.37

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Double scale
Find fourth proportional to 5,168,184,075.79, 7,132,123,079.76 and 2,940,516,264.04
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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.