Home / 10,345,040,547.80-15,517,560,821.70-4,540,287,651.80

Finding the Fourth Proportional to 10,345,040,547.80, 15,517,560,821.70 and 4,540,287,651.80

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Solution

The fourth proportional to 10,345,040,547.80, 15,517,560,821.70 and 4,540,287,651.80 is: 6,810,431,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,040,547.80 : 15,517,560,821.70 = 4,540,287,651.80 : x
  2. Step 2: Convert to fraction form
    10,345,040,547.80/15,517,560,821.70 = 4,540,287,651.80/x
  3. Step 3: Cross multiply
    10,345,040,547.80x = 15,517,560,821.70 × 4,540,287,651.80
  4. Step 4: Simplify right side
    10,345,040,547.80x = 70,454,189,784,819,974,144
  5. Step 5: Solve for x
    x = 70,454,189,784,819,974,144/10,345,040,547.80
  6. Step 6: Final answer
    x = 6,810,431,477.70

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Double scale
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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.