Home / 455,336,928.28-628,366,966.40-246,493,070.92

Finding the Fourth Proportional to 455,336,928.28, 628,366,966.40 and 246,493,070.92

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Solution

The fourth proportional to 455,336,928.28, 628,366,966.40 and 246,493,070.92 is: 340,161,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,336,928.28 : 628,366,966.40 = 246,493,070.92 : x
  2. Step 2: Convert to fraction form
    455,336,928.28/628,366,966.40 = 246,493,070.92/x
  3. Step 3: Cross multiply
    455,336,928.28x = 628,366,966.40 × 246,493,070.92
  4. Step 4: Simplify right side
    455,336,928.28x = 154,888,103,212,620,448
  5. Step 5: Solve for x
    x = 154,888,103,212,620,448/455,336,928.28
  6. Step 6: Final answer
    x = 340,161,523.46

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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.