Home / 1,171,149,656.51-1,616,186,405.86-662,501,503.08

Finding the Fourth Proportional to 1,171,149,656.51, 1,616,186,405.86 and 662,501,503.08

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Solution

The fourth proportional to 1,171,149,656.51, 1,616,186,405.86 and 662,501,503.08 is: 914,252,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,149,656.51 : 1,616,186,405.86 = 662,501,503.08 : x
  2. Step 2: Convert to fraction form
    1,171,149,656.51/1,616,186,405.86 = 662,501,503.08/x
  3. Step 3: Cross multiply
    1,171,149,656.51x = 1,616,186,405.86 × 662,501,503.08
  4. Step 4: Simplify right side
    1,171,149,656.51x = 1,070,725,923,138,056,832
  5. Step 5: Solve for x
    x = 1,070,725,923,138,056,832/1,171,149,656.51
  6. Step 6: Final answer
    x = 914,252,006.29

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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.