Home / 1,609,981,433.77-2,221,781,902.55-914,658,564.01

Finding the Fourth Proportional to 1,609,981,433.77, 2,221,781,902.55 and 914,658,564.01

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Solution

The fourth proportional to 1,609,981,433.77, 2,221,781,902.55 and 914,658,564.01 is: 1,262,233,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,981,433.77 : 2,221,781,902.55 = 914,658,564.01 : x
  2. Step 2: Convert to fraction form
    1,609,981,433.77/2,221,781,902.55 = 914,658,564.01/x
  3. Step 3: Cross multiply
    1,609,981,433.77x = 2,221,781,902.55 × 914,658,564.01
  4. Step 4: Simplify right side
    1,609,981,433.77x = 2,032,171,844,529,788,928
  5. Step 5: Solve for x
    x = 2,032,171,844,529,788,928/1,609,981,433.77
  6. Step 6: Final answer
    x = 1,262,233,092.82

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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.