Home / 13,643,275,257.78-20,466,865,072.05-4,200,718,036.38

Finding the Fourth Proportional to 13,643,275,257.78, 20,466,865,072.05 and 4,200,718,036.38

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Solution

The fourth proportional to 13,643,275,257.78, 20,466,865,072.05 and 4,200,718,036.38 is: 6,301,678,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,275,257.78 : 20,466,865,072.05 = 4,200,718,036.38 : x
  2. Step 2: Convert to fraction form
    13,643,275,257.78/20,466,865,072.05 = 4,200,718,036.38/x
  3. Step 3: Cross multiply
    13,643,275,257.78x = 20,466,865,072.05 × 4,200,718,036.38
  4. Step 4: Simplify right side
    13,643,275,257.78x = 85,975,529,256,316,289,024
  5. Step 5: Solve for x
    x = 85,975,529,256,316,289,024/13,643,275,257.78
  6. Step 6: Final answer
    x = 6,301,678,125.81

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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.