Home / 879,644,733.60-1,319,467,100.40-361,903,101.60

Finding the Fourth Proportional to 879,644,733.60, 1,319,467,100.40 and 361,903,101.60

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Solution

The fourth proportional to 879,644,733.60, 1,319,467,100.40 and 361,903,101.60 is: 542,854,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,644,733.60 : 1,319,467,100.40 = 361,903,101.60 : x
  2. Step 2: Convert to fraction form
    879,644,733.60/1,319,467,100.40 = 361,903,101.60/x
  3. Step 3: Cross multiply
    879,644,733.60x = 1,319,467,100.40 × 361,903,101.60
  4. Step 4: Simplify right side
    879,644,733.60x = 477,519,236,093,918,656
  5. Step 5: Solve for x
    x = 477,519,236,093,918,656/879,644,733.60
  6. Step 6: Final answer
    x = 542,854,652.40

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Double scale
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Similar ratio
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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.