Home / 1,171,995,194.85-1,617,311,522.05-663,346,987.26

Finding the Fourth Proportional to 1,171,995,194.85, 1,617,311,522.05 and 663,346,987.26

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Solution

The fourth proportional to 1,171,995,194.85, 1,617,311,522.05 and 663,346,987.26 is: 915,395,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,995,194.85 : 1,617,311,522.05 = 663,346,987.26 : x
  2. Step 2: Convert to fraction form
    1,171,995,194.85/1,617,311,522.05 = 663,346,987.26/x
  3. Step 3: Cross multiply
    1,171,995,194.85x = 1,617,311,522.05 × 663,346,987.26
  4. Step 4: Simplify right side
    1,171,995,194.85x = 1,072,838,725,614,554,752
  5. Step 5: Solve for x
    x = 1,072,838,725,614,554,752/1,171,995,194.85
  6. Step 6: Final answer
    x = 915,395,157.19

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Double scale
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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.