Home / 28,280,352,004.88-39,028,627,748.70-15,593,048,435.48

Finding the Fourth Proportional to 28,280,352,004.88, 39,028,627,748.70 and 15,593,048,435.48

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Solution

The fourth proportional to 28,280,352,004.88, 39,028,627,748.70 and 15,593,048,435.48 is: 21,519,367,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280,352,004.88 : 39,028,627,748.70 = 15,593,048,435.48 : x
  2. Step 2: Convert to fraction form
    28,280,352,004.88/39,028,627,748.70 = 15,593,048,435.48/x
  3. Step 3: Cross multiply
    28,280,352,004.88x = 39,028,627,748.70 × 15,593,048,435.48
  4. Step 4: Simplify right side
    28,280,352,004.88x = 608,575,282,855,797,719,040
  5. Step 5: Solve for x
    x = 608,575,282,855,797,719,040/28,280,352,004.88
  6. Step 6: Final answer
    x = 21,519,367,324.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.