Home / 12,915,551,136.30-19,373,326,704.45-3,100,898,748.30

Finding the Fourth Proportional to 12,915,551,136.30, 19,373,326,704.45 and 3,100,898,748.30

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Solution

The fourth proportional to 12,915,551,136.30, 19,373,326,704.45 and 3,100,898,748.30 is: 4,651,348,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,551,136.30 : 19,373,326,704.45 = 3,100,898,748.30 : x
  2. Step 2: Convert to fraction form
    12,915,551,136.30/19,373,326,704.45 = 3,100,898,748.30/x
  3. Step 3: Cross multiply
    12,915,551,136.30x = 19,373,326,704.45 × 3,100,898,748.30
  4. Step 4: Simplify right side
    12,915,551,136.30x = 60,074,724,528,235,978,752
  5. Step 5: Solve for x
    x = 60,074,724,528,235,978,752/12,915,551,136.30
  6. Step 6: Final answer
    x = 4,651,348,122.45

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Double scale
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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.