Home / 7,919,665,613.30-11,865,893,530.35-3,770,174,285.30

Finding the Fourth Proportional to 7,919,665,613.30, 11,865,893,530.35 and 3,770,174,285.30

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Solution

The fourth proportional to 7,919,665,613.30, 11,865,893,530.35 and 3,770,174,285.30 is: 5,648,784,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,665,613.30 : 11,865,893,530.35 = 3,770,174,285.30 : x
  2. Step 2: Convert to fraction form
    7,919,665,613.30/11,865,893,530.35 = 3,770,174,285.30/x
  3. Step 3: Cross multiply
    7,919,665,613.30x = 11,865,893,530.35 × 3,770,174,285.30
  4. Step 4: Simplify right side
    7,919,665,613.30x = 44,736,486,660,233,207,808
  5. Step 5: Solve for x
    x = 44,736,486,660,233,207,808/7,919,665,613.30
  6. Step 6: Final answer
    x = 5,648,784,790.24

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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.