Home / 7,820,765,608.40-11,744,753,302.20-4,147,445,416.40

Finding the Fourth Proportional to 7,820,765,608.40, 11,744,753,302.20 and 4,147,445,416.40

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Solution

The fourth proportional to 7,820,765,608.40, 11,744,753,302.20 and 4,147,445,416.40 is: 6,228,382,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,765,608.40 : 11,744,753,302.20 = 4,147,445,416.40 : x
  2. Step 2: Convert to fraction form
    7,820,765,608.40/11,744,753,302.20 = 4,147,445,416.40/x
  3. Step 3: Cross multiply
    7,820,765,608.40x = 11,744,753,302.20 × 4,147,445,416.40
  4. Step 4: Simplify right side
    7,820,765,608.40x = 48,710,723,249,958,158,336
  5. Step 5: Solve for x
    x = 48,710,723,249,958,158,336/7,820,765,608.40
  6. Step 6: Final answer
    x = 6,228,382,960.06

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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.