Home / 53,703,662,788.21-74,111,128,145.78-29,289,132,048.72

Finding the Fourth Proportional to 53,703,662,788.21, 74,111,128,145.78 and 29,289,132,048.72

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Solution

The fourth proportional to 53,703,662,788.21, 74,111,128,145.78 and 29,289,132,048.72 is: 40,419,042,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,703,662,788.21 : 74,111,128,145.78 = 29,289,132,048.72 : x
  2. Step 2: Convert to fraction form
    53,703,662,788.21/74,111,128,145.78 = 29,289,132,048.72/x
  3. Step 3: Cross multiply
    53,703,662,788.21x = 74,111,128,145.78 × 29,289,132,048.72
  4. Step 4: Simplify right side
    53,703,662,788.21x = 2,170,650,618,540,989,349,888
  5. Step 5: Solve for x
    x = 2,170,650,618,540,989,349,888/53,703,662,788.21
  6. Step 6: Final answer
    x = 40,419,042,311.91

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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.