Home / 8,074,410,985.20-12,111,616,477.80-7,893,012,457.20

Finding the Fourth Proportional to 8,074,410,985.20, 12,111,616,477.80 and 7,893,012,457.20

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Solution

The fourth proportional to 8,074,410,985.20, 12,111,616,477.80 and 7,893,012,457.20 is: 11,839,518,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074,410,985.20 : 12,111,616,477.80 = 7,893,012,457.20 : x
  2. Step 2: Convert to fraction form
    8,074,410,985.20/12,111,616,477.80 = 7,893,012,457.20/x
  3. Step 3: Cross multiply
    8,074,410,985.20x = 12,111,616,477.80 × 7,893,012,457.20
  4. Step 4: Simplify right side
    8,074,410,985.20x = 95,597,139,736,104,173,568
  5. Step 5: Solve for x
    x = 95,597,139,736,104,173,568/8,074,410,985.20
  6. Step 6: Final answer
    x = 11,839,518,685.80

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Double scale
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Similar ratio
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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.