Home / 7,957,533,980.75-10,981,431,033.69-4,340,636,540.23

Finding the Fourth Proportional to 7,957,533,980.75, 10,981,431,033.69 and 4,340,636,540.23

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Solution

The fourth proportional to 7,957,533,980.75, 10,981,431,033.69 and 4,340,636,540.23 is: 5,990,097,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957,533,980.75 : 10,981,431,033.69 = 4,340,636,540.23 : x
  2. Step 2: Convert to fraction form
    7,957,533,980.75/10,981,431,033.69 = 4,340,636,540.23/x
  3. Step 3: Cross multiply
    7,957,533,980.75x = 10,981,431,033.69 × 4,340,636,540.23
  4. Step 4: Simplify right side
    7,957,533,980.75x = 47,666,400,808,850,513,920
  5. Step 5: Solve for x
    x = 47,666,400,808,850,513,920/7,957,533,980.75
  6. Step 6: Final answer
    x = 5,990,097,048.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.