Home / 18,778,728,707.92-25,915,228,801.32-10,320,398,782.48

Finding the Fourth Proportional to 18,778,728,707.92, 25,915,228,801.32 and 10,320,398,782.48

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Solution

The fourth proportional to 18,778,728,707.92, 25,915,228,801.32 and 10,320,398,782.48 is: 14,242,470,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778,728,707.92 : 25,915,228,801.32 = 10,320,398,782.48 : x
  2. Step 2: Convert to fraction form
    18,778,728,707.92/25,915,228,801.32 = 10,320,398,782.48/x
  3. Step 3: Cross multiply
    18,778,728,707.92x = 25,915,228,801.32 × 10,320,398,782.48
  4. Step 4: Simplify right side
    18,778,728,707.92x = 267,455,495,768,833,556,480
  5. Step 5: Solve for x
    x = 267,455,495,768,833,556,480/18,778,728,707.92
  6. Step 6: Final answer
    x = 14,242,470,825.84

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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.