Home / 2,810,902,186.80-3,879,045,385.20-1,557,919,935.72

Finding the Fourth Proportional to 2,810,902,186.80, 3,879,045,385.20 and 1,557,919,935.72

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Solution

The fourth proportional to 2,810,902,186.80, 3,879,045,385.20 and 1,557,919,935.72 is: 2,149,929,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,902,186.80 : 3,879,045,385.20 = 1,557,919,935.72 : x
  2. Step 2: Convert to fraction form
    2,810,902,186.80/3,879,045,385.20 = 1,557,919,935.72/x
  3. Step 3: Cross multiply
    2,810,902,186.80x = 3,879,045,385.20 × 1,557,919,935.72
  4. Step 4: Simplify right side
    2,810,902,186.80x = 6,043,242,137,165,746,176
  5. Step 5: Solve for x
    x = 6,043,242,137,165,746,176/2,810,902,186.80
  6. Step 6: Final answer
    x = 2,149,929,714.93

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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.