Home / 1,114,743,091.67-1,536,917,422.37-913,056,966.12

Finding the Fourth Proportional to 1,114,743,091.67, 1,536,917,422.37 and 913,056,966.12

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Solution

The fourth proportional to 1,114,743,091.67, 1,536,917,422.37 and 913,056,966.12 is: 1,258,848,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,743,091.67 : 1,536,917,422.37 = 913,056,966.12 : x
  2. Step 2: Convert to fraction form
    1,114,743,091.67/1,536,917,422.37 = 913,056,966.12/x
  3. Step 3: Cross multiply
    1,114,743,091.67x = 1,536,917,422.37 × 913,056,966.12
  4. Step 4: Simplify right side
    1,114,743,091.67x = 1,403,293,158,850,985,472
  5. Step 5: Solve for x
    x = 1,403,293,158,850,985,472/1,114,743,091.67
  6. Step 6: Final answer
    x = 1,258,848,939.58

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Double scale
Find fourth proportional to 1,114,743,092.67, 1,536,917,423.75 and 913,056,967.12
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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.