Home / 314,928,015.30-472,392,022.95-303,448,889.70

Finding the Fourth Proportional to 314,928,015.30, 472,392,022.95 and 303,448,889.70

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Solution

The fourth proportional to 314,928,015.30, 472,392,022.95 and 303,448,889.70 is: 455,173,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,015.30 : 472,392,022.95 = 303,448,889.70 : x
  2. Step 2: Convert to fraction form
    314,928,015.30/472,392,022.95 = 303,448,889.70/x
  3. Step 3: Cross multiply
    314,928,015.30x = 472,392,022.95 × 303,448,889.70
  4. Step 4: Simplify right side
    314,928,015.30x = 143,346,834,867,314,416
  5. Step 5: Solve for x
    x = 143,346,834,867,314,416/314,928,015.30
  6. Step 6: Final answer
    x = 455,173,334.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.