Home / 8,528,157,826.49-12,793,400,857.06-3,552,716,128.75

Finding the Fourth Proportional to 8,528,157,826.49, 12,793,400,857.06 and 3,552,716,128.75

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Solution

The fourth proportional to 8,528,157,826.49, 12,793,400,857.06 and 3,552,716,128.75 is: 5,329,559,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528,157,826.49 : 12,793,400,857.06 = 3,552,716,128.75 : x
  2. Step 2: Convert to fraction form
    8,528,157,826.49/12,793,400,857.06 = 3,552,716,128.75/x
  3. Step 3: Cross multiply
    8,528,157,826.49x = 12,793,400,857.06 × 3,552,716,128.75
  4. Step 4: Simplify right side
    8,528,157,826.49x = 45,451,321,566,398,488,576
  5. Step 5: Solve for x
    x = 45,451,321,566,398,488,576/8,528,157,826.49
  6. Step 6: Final answer
    x = 5,329,559,148.78

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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.