Home / 2,223,922,551.38-3,069,004,698.83-1,220,356,909.62

Finding the Fourth Proportional to 2,223,922,551.38, 3,069,004,698.83 and 1,220,356,909.62

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Solution

The fourth proportional to 2,223,922,551.38, 3,069,004,698.83 and 1,220,356,909.62 is: 1,684,087,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223,922,551.38 : 3,069,004,698.83 = 1,220,356,909.62 : x
  2. Step 2: Convert to fraction form
    2,223,922,551.38/3,069,004,698.83 = 1,220,356,909.62/x
  3. Step 3: Cross multiply
    2,223,922,551.38x = 3,069,004,698.83 × 1,220,356,909.62
  4. Step 4: Simplify right side
    2,223,922,551.38x = 3,745,281,089,867,335,168
  5. Step 5: Solve for x
    x = 3,745,281,089,867,335,168/2,223,922,551.38
  6. Step 6: Final answer
    x = 1,684,087,913.74

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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.