Home / 82,121,748,205.52-123,196,528,941.24-28,324,276,060.88

Finding the Fourth Proportional to 82,121,748,205.52, 123,196,528,941.24 and 28,324,276,060.88

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Solution

The fourth proportional to 82,121,748,205.52, 123,196,528,941.24 and 28,324,276,060.88 is: 42,491,210,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,121,748,205.52 : 123,196,528,941.24 = 28,324,276,060.88 : x
  2. Step 2: Convert to fraction form
    82,121,748,205.52/123,196,528,941.24 = 28,324,276,060.88/x
  3. Step 3: Cross multiply
    82,121,748,205.52x = 123,196,528,941.24 × 28,324,276,060.88
  4. Step 4: Simplify right side
    82,121,748,205.52x = 3,489,452,495,473,874,567,168
  5. Step 5: Solve for x
    x = 3,489,452,495,473,874,567,168/82,121,748,205.52
  6. Step 6: Final answer
    x = 42,491,210,571.18

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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.