Home / 6,119,569,113.80-9,179,353,670.70-1,979,431,147.40

Finding the Fourth Proportional to 6,119,569,113.80, 9,179,353,670.70 and 1,979,431,147.40

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Solution

The fourth proportional to 6,119,569,113.80, 9,179,353,670.70 and 1,979,431,147.40 is: 2,969,146,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119,569,113.80 : 9,179,353,670.70 = 1,979,431,147.40 : x
  2. Step 2: Convert to fraction form
    6,119,569,113.80/9,179,353,670.70 = 1,979,431,147.40/x
  3. Step 3: Cross multiply
    6,119,569,113.80x = 9,179,353,670.70 × 1,979,431,147.40
  4. Step 4: Simplify right side
    6,119,569,113.80x = 18,169,898,568,784,105,472
  5. Step 5: Solve for x
    x = 18,169,898,568,784,105,472/6,119,569,113.80
  6. Step 6: Final answer
    x = 2,969,146,721.10

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Double scale
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Similar ratio
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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.