Home / 14,405,646,537.75-19,879,792,222.10-7,812,593,865.75

Finding the Fourth Proportional to 14,405,646,537.75, 19,879,792,222.10 and 7,812,593,865.75

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Solution

The fourth proportional to 14,405,646,537.75, 19,879,792,222.10 and 7,812,593,865.75 is: 10,781,379,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405,646,537.75 : 19,879,792,222.10 = 7,812,593,865.75 : x
  2. Step 2: Convert to fraction form
    14,405,646,537.75/19,879,792,222.10 = 7,812,593,865.75/x
  3. Step 3: Cross multiply
    14,405,646,537.75x = 19,879,792,222.10 × 7,812,593,865.75
  4. Step 4: Simplify right side
    14,405,646,537.75x = 155,312,742,766,723,956,736
  5. Step 5: Solve for x
    x = 155,312,742,766,723,956,736/14,405,646,537.75
  6. Step 6: Final answer
    x = 10,781,379,534.74

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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.