Home / 13,678,981,301.40-20,531,740,210.68-6,601,444,939.68

Finding the Fourth Proportional to 13,678,981,301.40, 20,531,740,210.68 and 6,601,444,939.68

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Solution

The fourth proportional to 13,678,981,301.40, 20,531,740,210.68 and 6,601,444,939.68 is: 9,908,570,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,981,301.40 : 20,531,740,210.68 = 6,601,444,939.68 : x
  2. Step 2: Convert to fraction form
    13,678,981,301.40/20,531,740,210.68 = 6,601,444,939.68/x
  3. Step 3: Cross multiply
    13,678,981,301.40x = 20,531,740,210.68 × 6,601,444,939.68
  4. Step 4: Simplify right side
    13,678,981,301.40x = 135,539,152,516,617,879,552
  5. Step 5: Solve for x
    x = 135,539,152,516,617,879,552/13,678,981,301.40
  6. Step 6: Final answer
    x = 9,908,570,640.62

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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.