Home / 1,441,596,116.76-1,989,479,883.96-806,478,720.91

Finding the Fourth Proportional to 1,441,596,116.76, 1,989,479,883.96 and 806,478,720.91

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Solution

The fourth proportional to 1,441,596,116.76, 1,989,479,883.96 and 806,478,720.91 is: 1,112,983,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,596,116.76 : 1,989,479,883.96 = 806,478,720.91 : x
  2. Step 2: Convert to fraction form
    1,441,596,116.76/1,989,479,883.96 = 806,478,720.91/x
  3. Step 3: Cross multiply
    1,441,596,116.76x = 1,989,479,883.96 × 806,478,720.91
  4. Step 4: Simplify right side
    1,441,596,116.76x = 1,604,473,192,092,236,032
  5. Step 5: Solve for x
    x = 1,604,473,192,092,236,032/1,441,596,116.76
  6. Step 6: Final answer
    x = 1,112,983,847.17

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Double scale
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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.