Home / 756,873,292.20-1,135,309,938.30-524,420,998.80

Finding the Fourth Proportional to 756,873,292.20, 1,135,309,938.30 and 524,420,998.80

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Solution

The fourth proportional to 756,873,292.20, 1,135,309,938.30 and 524,420,998.80 is: 786,631,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,873,292.20 : 1,135,309,938.30 = 524,420,998.80 : x
  2. Step 2: Convert to fraction form
    756,873,292.20/1,135,309,938.30 = 524,420,998.80/x
  3. Step 3: Cross multiply
    756,873,292.20x = 1,135,309,938.30 × 524,420,998.80
  4. Step 4: Simplify right side
    756,873,292.20x = 595,380,371,790,852,352
  5. Step 5: Solve for x
    x = 595,380,371,790,852,352/756,873,292.20
  6. Step 6: Final answer
    x = 786,631,498.20

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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.