Home / 2,115,319,194.18-2,916,063,893.12-1,478,261,799.54

Finding the Fourth Proportional to 2,115,319,194.18, 2,916,063,893.12 and 1,478,261,799.54

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Solution

The fourth proportional to 2,115,319,194.18, 2,916,063,893.12 and 1,478,261,799.54 is: 2,037,851,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,319,194.18 : 2,916,063,893.12 = 1,478,261,799.54 : x
  2. Step 2: Convert to fraction form
    2,115,319,194.18/2,916,063,893.12 = 1,478,261,799.54/x
  3. Step 3: Cross multiply
    2,115,319,194.18x = 2,916,063,893.12 × 1,478,261,799.54
  4. Step 4: Simplify right side
    2,115,319,194.18x = 4,310,705,858,217,189,376
  5. Step 5: Solve for x
    x = 4,310,705,858,217,189,376/2,115,319,194.18
  6. Step 6: Final answer
    x = 2,037,851,247.26

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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.