Home / 14,405,646,540.76-19,879,792,226.24-7,812,593,868.76

Finding the Fourth Proportional to 14,405,646,540.76, 19,879,792,226.24 and 7,812,593,868.76

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Solution

The fourth proportional to 14,405,646,540.76, 19,879,792,226.24 and 7,812,593,868.76 is: 10,781,379,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405,646,540.76 : 19,879,792,226.24 = 7,812,593,868.76 : x
  2. Step 2: Convert to fraction form
    14,405,646,540.76/19,879,792,226.24 = 7,812,593,868.76/x
  3. Step 3: Cross multiply
    14,405,646,540.76x = 19,879,792,226.24 × 7,812,593,868.76
  4. Step 4: Simplify right side
    14,405,646,540.76x = 155,312,742,858,945,363,968
  5. Step 5: Solve for x
    x = 155,312,742,858,945,363,968/14,405,646,540.76
  6. Step 6: Final answer
    x = 10,781,379,538.88

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Double scale
Find fourth proportional to 14,405,646,541.76, 19,879,792,227.62 and 7,812,593,869.76
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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.