Home / 12,915,551,138.80-19,373,326,708.20-3,100,898,750.80

Finding the Fourth Proportional to 12,915,551,138.80, 19,373,326,708.20 and 3,100,898,750.80

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Solution

The fourth proportional to 12,915,551,138.80, 19,373,326,708.20 and 3,100,898,750.80 is: 4,651,348,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,551,138.80 : 19,373,326,708.20 = 3,100,898,750.80 : x
  2. Step 2: Convert to fraction form
    12,915,551,138.80/19,373,326,708.20 = 3,100,898,750.80/x
  3. Step 3: Cross multiply
    12,915,551,138.80x = 19,373,326,708.20 × 3,100,898,750.80
  4. Step 4: Simplify right side
    12,915,551,138.80x = 60,074,724,588,297,658,368
  5. Step 5: Solve for x
    x = 60,074,724,588,297,658,368/12,915,551,138.80
  6. Step 6: Final answer
    x = 4,651,348,126.20

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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.