Home / 8,011,929,629.40-12,009,412,337.40-2,694,980,172.48

Finding the Fourth Proportional to 8,011,929,629.40, 12,009,412,337.40 and 2,694,980,172.48

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Solution

The fourth proportional to 8,011,929,629.40, 12,009,412,337.40 and 2,694,980,172.48 is: 4,039,617,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011,929,629.40 : 12,009,412,337.40 = 2,694,980,172.48 : x
  2. Step 2: Convert to fraction form
    8,011,929,629.40/12,009,412,337.40 = 2,694,980,172.48/x
  3. Step 3: Cross multiply
    8,011,929,629.40x = 12,009,412,337.40 × 2,694,980,172.48
  4. Step 4: Simplify right side
    8,011,929,629.40x = 32,365,128,132,429,692,928
  5. Step 5: Solve for x
    x = 32,365,128,132,429,692,928/8,011,929,629.40
  6. Step 6: Final answer
    x = 4,039,617,124.65

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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.