Home / 5,279,418,021.60-7,919,127,032.40-2,830,537,893.60

Finding the Fourth Proportional to 5,279,418,021.60, 7,919,127,032.40 and 2,830,537,893.60

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Solution

The fourth proportional to 5,279,418,021.60, 7,919,127,032.40 and 2,830,537,893.60 is: 4,245,806,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,418,021.60 : 7,919,127,032.40 = 2,830,537,893.60 : x
  2. Step 2: Convert to fraction form
    5,279,418,021.60/7,919,127,032.40 = 2,830,537,893.60/x
  3. Step 3: Cross multiply
    5,279,418,021.60x = 7,919,127,032.40 × 2,830,537,893.60
  4. Step 4: Simplify right side
    5,279,418,021.60x = 22,415,389,149,440,311,296
  5. Step 5: Solve for x
    x = 22,415,389,149,440,311,296/5,279,418,021.60
  6. Step 6: Final answer
    x = 4,245,806,840.40

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Double scale
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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.