Home / 1,982,798,378.19-2,973,566,566.19-654,579,111.66

Finding the Fourth Proportional to 1,982,798,378.19, 2,973,566,566.19 and 654,579,111.66

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Solution

The fourth proportional to 1,982,798,378.19, 2,973,566,566.19 and 654,579,111.66 is: 981,660,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,798,378.19 : 2,973,566,566.19 = 654,579,111.66 : x
  2. Step 2: Convert to fraction form
    1,982,798,378.19/2,973,566,566.19 = 654,579,111.66/x
  3. Step 3: Cross multiply
    1,982,798,378.19x = 2,973,566,566.19 × 654,579,111.66
  4. Step 4: Simplify right side
    1,982,798,378.19x = 1,946,434,561,355,253,760
  5. Step 5: Solve for x
    x = 1,946,434,561,355,253,760/1,982,798,378.19
  6. Step 6: Final answer
    x = 981,660,355.77

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Double scale
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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.