Home / 8,042,965,720.80-12,064,448,581.20-7,462,490,431.20

Finding the Fourth Proportional to 8,042,965,720.80, 12,064,448,581.20 and 7,462,490,431.20

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Solution

The fourth proportional to 8,042,965,720.80, 12,064,448,581.20 and 7,462,490,431.20 is: 11,193,735,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,965,720.80 : 12,064,448,581.20 = 7,462,490,431.20 : x
  2. Step 2: Convert to fraction form
    8,042,965,720.80/12,064,448,581.20 = 7,462,490,431.20/x
  3. Step 3: Cross multiply
    8,042,965,720.80x = 12,064,448,581.20 × 7,462,490,431.20
  4. Step 4: Simplify right side
    8,042,965,720.80x = 90,030,832,094,909,415,424
  5. Step 5: Solve for x
    x = 90,030,832,094,909,415,424/8,042,965,720.80
  6. Step 6: Final answer
    x = 11,193,735,646.80

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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.