Home / 1,251,080,515.86-1,865,567,335.57-1,239,851,375.14

Finding the Fourth Proportional to 1,251,080,515.86, 1,865,567,335.57 and 1,239,851,375.14

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Solution

The fourth proportional to 1,251,080,515.86, 1,865,567,335.57 and 1,239,851,375.14 is: 1,848,822,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,080,515.86 : 1,865,567,335.57 = 1,239,851,375.14 : x
  2. Step 2: Convert to fraction form
    1,251,080,515.86/1,865,567,335.57 = 1,239,851,375.14/x
  3. Step 3: Cross multiply
    1,251,080,515.86x = 1,865,567,335.57 × 1,239,851,375.14
  4. Step 4: Simplify right side
    1,251,080,515.86x = 2,313,026,226,422,730,240
  5. Step 5: Solve for x
    x = 2,313,026,226,422,730,240/1,251,080,515.86
  6. Step 6: Final answer
    x = 1,848,822,835.22

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Double scale
Find fourth proportional to 1,251,080,516.86, 1,865,567,337.06 and 1,239,851,376.14
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.