Home / 84,489,408,015.40-126,734,112,023.10-70,852,206,802.60

Finding the Fourth Proportional to 84,489,408,015.40, 126,734,112,023.10 and 70,852,206,802.60

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Solution

The fourth proportional to 84,489,408,015.40, 126,734,112,023.10 and 70,852,206,802.60 is: 106,278,310,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489,408,015.40 : 126,734,112,023.10 = 70,852,206,802.60 : x
  2. Step 2: Convert to fraction form
    84,489,408,015.40/126,734,112,023.10 = 70,852,206,802.60/x
  3. Step 3: Cross multiply
    84,489,408,015.40x = 126,734,112,023.10 × 70,852,206,802.60
  4. Step 4: Simplify right side
    84,489,408,015.40x = 8,979,391,514,004,557,922,304
  5. Step 5: Solve for x
    x = 8,979,391,514,004,557,922,304/84,489,408,015.40
  6. Step 6: Final answer
    x = 106,278,310,203.90

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1.5x scale

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.