Home / 12,915,551,145.30-19,373,326,717.95-3,100,898,757.30

Finding the Fourth Proportional to 12,915,551,145.30, 19,373,326,717.95 and 3,100,898,757.30

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Solution

The fourth proportional to 12,915,551,145.30, 19,373,326,717.95 and 3,100,898,757.30 is: 4,651,348,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,551,145.30 : 19,373,326,717.95 = 3,100,898,757.30 : x
  2. Step 2: Convert to fraction form
    12,915,551,145.30/19,373,326,717.95 = 3,100,898,757.30/x
  3. Step 3: Cross multiply
    12,915,551,145.30x = 19,373,326,717.95 × 3,100,898,757.30
  4. Step 4: Simplify right side
    12,915,551,145.30x = 60,074,724,744,458,051,584
  5. Step 5: Solve for x
    x = 60,074,724,744,458,051,584/12,915,551,145.30
  6. Step 6: Final answer
    x = 4,651,348,135.95

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Double scale
Find fourth proportional to 12,915,551,146.30, 19,373,326,719.45 and 3,100,898,758.30
Similar ratio
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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.