Home / 1,069,789,988.84-1,476,521,905.38-693,912,398.44

Finding the Fourth Proportional to 1,069,789,988.84, 1,476,521,905.38 and 693,912,398.44

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Solution

The fourth proportional to 1,069,789,988.84, 1,476,521,905.38 and 693,912,398.44 is: 957,736,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,789,988.84 : 1,476,521,905.38 = 693,912,398.44 : x
  2. Step 2: Convert to fraction form
    1,069,789,988.84/1,476,521,905.38 = 693,912,398.44/x
  3. Step 3: Cross multiply
    1,069,789,988.84x = 1,476,521,905.38 × 693,912,398.44
  4. Step 4: Simplify right side
    1,069,789,988.84x = 1,024,576,856,711,434,752
  5. Step 5: Solve for x
    x = 1,024,576,856,711,434,752/1,069,789,988.84
  6. Step 6: Final answer
    x = 957,736,441.17

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Double scale
Find fourth proportional to 1,069,789,989.84, 1,476,521,906.76 and 693,912,399.44
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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.