Home / 1,441,596,115.76-1,989,479,882.58-806,478,719.91

Finding the Fourth Proportional to 1,441,596,115.76, 1,989,479,882.58 and 806,478,719.91

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Solution

The fourth proportional to 1,441,596,115.76, 1,989,479,882.58 and 806,478,719.91 is: 1,112,983,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,596,115.76 : 1,989,479,882.58 = 806,478,719.91 : x
  2. Step 2: Convert to fraction form
    1,441,596,115.76/1,989,479,882.58 = 806,478,719.91/x
  3. Step 3: Cross multiply
    1,441,596,115.76x = 1,989,479,882.58 × 806,478,719.91
  4. Step 4: Simplify right side
    1,441,596,115.76x = 1,604,473,188,983,867,136
  5. Step 5: Solve for x
    x = 1,604,473,188,983,867,136/1,441,596,115.76
  6. Step 6: Final answer
    x = 1,112,983,845.78

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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.