Home / 314,928,448.05-472,392,672.08-303,449,322.45

Finding the Fourth Proportional to 314,928,448.05, 472,392,672.08 and 303,449,322.45

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Solution

The fourth proportional to 314,928,448.05, 472,392,672.08 and 303,449,322.45 is: 455,173,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,448.05 : 472,392,672.08 = 303,449,322.45 : x
  2. Step 2: Convert to fraction form
    314,928,448.05/472,392,672.08 = 303,449,322.45/x
  3. Step 3: Cross multiply
    314,928,448.05x = 472,392,672.08 × 303,449,322.45
  4. Step 4: Simplify right side
    314,928,448.05x = 143,347,236,271,503,776
  5. Step 5: Solve for x
    x = 143,347,236,271,503,776/314,928,448.05
  6. Step 6: Final answer
    x = 455,173,983.68

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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.