Home / 1,006,207,442.10-1,388,599,370.10-554,133,612.51

Finding the Fourth Proportional to 1,006,207,442.10, 1,388,599,370.10 and 554,133,612.51

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Solution

The fourth proportional to 1,006,207,442.10, 1,388,599,370.10 and 554,133,612.51 is: 764,722,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,207,442.10 : 1,388,599,370.10 = 554,133,612.51 : x
  2. Step 2: Convert to fraction form
    1,006,207,442.10/1,388,599,370.10 = 554,133,612.51/x
  3. Step 3: Cross multiply
    1,006,207,442.10x = 1,388,599,370.10 × 554,133,612.51
  4. Step 4: Simplify right side
    1,006,207,442.10x = 769,469,585,282,623,360
  5. Step 5: Solve for x
    x = 769,469,585,282,623,360/1,006,207,442.10
  6. Step 6: Final answer
    x = 764,722,613.93

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Double scale
Find fourth proportional to 1,006,207,443.10, 1,388,599,371.48 and 554,133,613.51
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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.