Home / 553,042,628.37-828,984,476.82-257,694,248.88

Finding the Fourth Proportional to 553,042,628.37, 828,984,476.82 and 257,694,248.88

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Solution

The fourth proportional to 553,042,628.37, 828,984,476.82 and 257,694,248.88 is: 386,271,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,042,628.37 : 828,984,476.82 = 257,694,248.88 : x
  2. Step 2: Convert to fraction form
    553,042,628.37/828,984,476.82 = 257,694,248.88/x
  3. Step 3: Cross multiply
    553,042,628.37x = 828,984,476.82 × 257,694,248.88
  4. Step 4: Simplify right side
    553,042,628.37x = 213,624,532,087,309,696
  5. Step 5: Solve for x
    x = 213,624,532,087,309,696/553,042,628.37
  6. Step 6: Final answer
    x = 386,271,367.03

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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.