Home / 314,928,276.30-472,392,414.45-178,879,380.30

Finding the Fourth Proportional to 314,928,276.30, 472,392,414.45 and 178,879,380.30

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Solution

The fourth proportional to 314,928,276.30, 472,392,414.45 and 178,879,380.30 is: 268,319,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,276.30 : 472,392,414.45 = 178,879,380.30 : x
  2. Step 2: Convert to fraction form
    314,928,276.30/472,392,414.45 = 178,879,380.30/x
  3. Step 3: Cross multiply
    314,928,276.30x = 472,392,414.45 × 178,879,380.30
  4. Step 4: Simplify right side
    314,928,276.30x = 84,501,262,355,236,768
  5. Step 5: Solve for x
    x = 84,501,262,355,236,768/314,928,276.30
  6. Step 6: Final answer
    x = 268,319,070.45

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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.