Home / 12,885,707,448.35-19,316,025,678.53-6,161,101,898.54

Finding the Fourth Proportional to 12,885,707,448.35, 19,316,025,678.53 and 6,161,101,898.54

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Solution

The fourth proportional to 12,885,707,448.35, 19,316,025,678.53 and 6,161,101,898.54 is: 9,235,659,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,707,448.35 : 19,316,025,678.53 = 6,161,101,898.54 : x
  2. Step 2: Convert to fraction form
    12,885,707,448.35/19,316,025,678.53 = 6,161,101,898.54/x
  3. Step 3: Cross multiply
    12,885,707,448.35x = 19,316,025,678.53 × 6,161,101,898.54
  4. Step 4: Simplify right side
    12,885,707,448.35x = 119,008,002,480,305,340,416
  5. Step 5: Solve for x
    x = 119,008,002,480,305,340,416/12,885,707,448.35
  6. Step 6: Final answer
    x = 9,235,659,195.07

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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.