Home / 14,405,646,538.75-19,879,792,223.48-7,812,593,866.75

Finding the Fourth Proportional to 14,405,646,538.75, 19,879,792,223.48 and 7,812,593,866.75

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Solution

The fourth proportional to 14,405,646,538.75, 19,879,792,223.48 and 7,812,593,866.75 is: 10,781,379,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405,646,538.75 : 19,879,792,223.48 = 7,812,593,866.75 : x
  2. Step 2: Convert to fraction form
    14,405,646,538.75/19,879,792,223.48 = 7,812,593,866.75/x
  3. Step 3: Cross multiply
    14,405,646,538.75x = 19,879,792,223.48 × 7,812,593,866.75
  4. Step 4: Simplify right side
    14,405,646,538.75x = 155,312,742,797,424,197,632
  5. Step 5: Solve for x
    x = 155,312,742,797,424,197,632/14,405,646,538.75
  6. Step 6: Final answer
    x = 10,781,379,536.12

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Double scale
Find fourth proportional to 14,405,646,539.75, 19,879,792,224.86 and 7,812,593,867.75
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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.