Home / 851,085,026.90-1,276,627,540.35-560,280,511.70

Finding the Fourth Proportional to 851,085,026.90, 1,276,627,540.35 and 560,280,511.70

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Solution

The fourth proportional to 851,085,026.90, 1,276,627,540.35 and 560,280,511.70 is: 840,420,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,085,026.90 : 1,276,627,540.35 = 560,280,511.70 : x
  2. Step 2: Convert to fraction form
    851,085,026.90/1,276,627,540.35 = 560,280,511.70/x
  3. Step 3: Cross multiply
    851,085,026.90x = 1,276,627,540.35 × 560,280,511.70
  4. Step 4: Simplify right side
    851,085,026.90x = 715,269,531,557,610,368
  5. Step 5: Solve for x
    x = 715,269,531,557,610,368/851,085,026.90
  6. Step 6: Final answer
    x = 840,420,767.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.