Home / 553,042,632.38-828,984,482.82-257,694,252.88

Finding the Fourth Proportional to 553,042,632.38, 828,984,482.82 and 257,694,252.88

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Solution

The fourth proportional to 553,042,632.38, 828,984,482.82 and 257,694,252.88 is: 386,271,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,042,632.38 : 828,984,482.82 = 257,694,252.88 : x
  2. Step 2: Convert to fraction form
    553,042,632.38/828,984,482.82 = 257,694,252.88/x
  3. Step 3: Cross multiply
    553,042,632.38x = 828,984,482.82 × 257,694,252.88
  4. Step 4: Simplify right side
    553,042,632.38x = 213,624,536,949,413,120
  5. Step 5: Solve for x
    x = 213,624,536,949,413,120/553,042,632.38
  6. Step 6: Final answer
    x = 386,271,373.02

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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.