Home / 1,270,966,932.40-1,753,889,632.16-698,745,818.60

Finding the Fourth Proportional to 1,270,966,932.40, 1,753,889,632.16 and 698,745,818.60

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Solution

The fourth proportional to 1,270,966,932.40, 1,753,889,632.16 and 698,745,818.60 is: 964,244,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,966,932.40 : 1,753,889,632.16 = 698,745,818.60 : x
  2. Step 2: Convert to fraction form
    1,270,966,932.40/1,753,889,632.16 = 698,745,818.60/x
  3. Step 3: Cross multiply
    1,270,966,932.40x = 1,753,889,632.16 × 698,745,818.60
  4. Step 4: Simplify right side
    1,270,966,932.40x = 1,225,523,046,757,692,160
  5. Step 5: Solve for x
    x = 1,225,523,046,757,692,160/1,270,966,932.40
  6. Step 6: Final answer
    x = 964,244,635.73

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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.