Home / 1,577,360,940.05-2,165,359,448.72-1,353,954,769.37

Finding the Fourth Proportional to 1,577,360,940.05, 2,165,359,448.72 and 1,353,954,769.37

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Solution

The fourth proportional to 1,577,360,940.05, 2,165,359,448.72 and 1,353,954,769.37 is: 1,858,673,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,360,940.05 : 2,165,359,448.72 = 1,353,954,769.37 : x
  2. Step 2: Convert to fraction form
    1,577,360,940.05/2,165,359,448.72 = 1,353,954,769.37/x
  3. Step 3: Cross multiply
    1,577,360,940.05x = 2,165,359,448.72 × 1,353,954,769.37
  4. Step 4: Simplify right side
    1,577,360,940.05x = 2,931,798,752,977,241,600
  5. Step 5: Solve for x
    x = 2,931,798,752,977,241,600/1,577,360,940.05
  6. Step 6: Final answer
    x = 1,858,673,356.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.