Home / 13,208,738,862.60-19,813,108,293.90-12,198,575,809.80

Finding the Fourth Proportional to 13,208,738,862.60, 19,813,108,293.90 and 12,198,575,809.80

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Solution

The fourth proportional to 13,208,738,862.60, 19,813,108,293.90 and 12,198,575,809.80 is: 18,297,863,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,738,862.60 : 19,813,108,293.90 = 12,198,575,809.80 : x
  2. Step 2: Convert to fraction form
    13,208,738,862.60/19,813,108,293.90 = 12,198,575,809.80/x
  3. Step 3: Cross multiply
    13,208,738,862.60x = 19,813,108,293.90 × 12,198,575,809.80
  4. Step 4: Simplify right side
    13,208,738,862.60x = 241,691,703,550,916,296,704
  5. Step 5: Solve for x
    x = 241,691,703,550,916,296,704/13,208,738,862.60
  6. Step 6: Final answer
    x = 18,297,863,714.70

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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.