Home / 7,820,687,478.40-11,744,636,107.20-4,147,367,286.40

Finding the Fourth Proportional to 7,820,687,478.40, 11,744,636,107.20 and 4,147,367,286.40

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Solution

The fourth proportional to 7,820,687,478.40, 11,744,636,107.20 and 4,147,367,286.40 is: 6,228,265,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,687,478.40 : 11,744,636,107.20 = 4,147,367,286.40 : x
  2. Step 2: Convert to fraction form
    7,820,687,478.40/11,744,636,107.20 = 4,147,367,286.40/x
  3. Step 3: Cross multiply
    7,820,687,478.40x = 11,744,636,107.20 × 4,147,367,286.40
  4. Step 4: Simplify right side
    7,820,687,478.40x = 48,709,319,581,673,529,344
  5. Step 5: Solve for x
    x = 48,709,319,581,673,529,344/7,820,687,478.40
  6. Step 6: Final answer
    x = 6,228,265,701.22

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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.