Home / 70,267,190,987.68-96,970,408,459.92-38,153,906,661.28

Finding the Fourth Proportional to 70,267,190,987.68, 96,970,408,459.92 and 38,153,906,661.28

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Solution

The fourth proportional to 70,267,190,987.68, 96,970,408,459.92 and 38,153,906,661.28 is: 52,653,306,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,267,190,987.68 : 96,970,408,459.92 = 38,153,906,661.28 : x
  2. Step 2: Convert to fraction form
    70,267,190,987.68/96,970,408,459.92 = 38,153,906,661.28/x
  3. Step 3: Cross multiply
    70,267,190,987.68x = 96,970,408,459.92 × 38,153,906,661.28
  4. Step 4: Simplify right side
    70,267,190,987.68x = 3,699,799,913,285,984,190,464
  5. Step 5: Solve for x
    x = 3,699,799,913,285,984,190,464/70,267,190,987.68
  6. Step 6: Final answer
    x = 52,653,306,063.35

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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.