Home / 2,485,180,155.54-3,429,621,500.88-1,356,222,812.34

Finding the Fourth Proportional to 2,485,180,155.54, 3,429,621,500.88 and 1,356,222,812.34

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Solution

The fourth proportional to 2,485,180,155.54, 3,429,621,500.88 and 1,356,222,812.34 is: 1,871,627,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,180,155.54 : 3,429,621,500.88 = 1,356,222,812.34 : x
  2. Step 2: Convert to fraction form
    2,485,180,155.54/3,429,621,500.88 = 1,356,222,812.34/x
  3. Step 3: Cross multiply
    2,485,180,155.54x = 3,429,621,500.88 × 1,356,222,812.34
  4. Step 4: Simplify right side
    2,485,180,155.54x = 4,651,330,917,185,205,248
  5. Step 5: Solve for x
    x = 4,651,330,917,185,205,248/2,485,180,155.54
  6. Step 6: Final answer
    x = 1,871,627,256.81

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Double scale
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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.