Home / 1,501,515,556.70-2,252,273,335.05-856,543,012.70

Finding the Fourth Proportional to 1,501,515,556.70, 2,252,273,335.05 and 856,543,012.70

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Solution

The fourth proportional to 1,501,515,556.70, 2,252,273,335.05 and 856,543,012.70 is: 1,284,814,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,515,556.70 : 2,252,273,335.05 = 856,543,012.70 : x
  2. Step 2: Convert to fraction form
    1,501,515,556.70/2,252,273,335.05 = 856,543,012.70/x
  3. Step 3: Cross multiply
    1,501,515,556.70x = 2,252,273,335.05 × 856,543,012.70
  4. Step 4: Simplify right side
    1,501,515,556.70x = 1,929,168,987,827,603,712
  5. Step 5: Solve for x
    x = 1,929,168,987,827,603,712/1,501,515,556.70
  6. Step 6: Final answer
    x = 1,284,814,519.05

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Double scale
Find fourth proportional to 1,501,515,557.70, 2,252,273,336.55 and 856,543,013.70
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.