Home / 1,585,982,127.39-2,188,527,021.59-916,970,095.79

Finding the Fourth Proportional to 1,585,982,127.39, 2,188,527,021.59 and 916,970,095.79

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Solution

The fourth proportional to 1,585,982,127.39, 2,188,527,021.59 and 916,970,095.79 is: 1,265,344,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,982,127.39 : 2,188,527,021.59 = 916,970,095.79 : x
  2. Step 2: Convert to fraction form
    1,585,982,127.39/2,188,527,021.59 = 916,970,095.79/x
  3. Step 3: Cross multiply
    1,585,982,127.39x = 2,188,527,021.59 × 916,970,095.79
  4. Step 4: Simplify right side
    1,585,982,127.39x = 2,006,813,832,610,858,240
  5. Step 5: Solve for x
    x = 2,006,813,832,610,858,240/1,585,982,127.39
  6. Step 6: Final answer
    x = 1,265,344,544.53

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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.