Home / 15,124,269,400.04-20,873,321,968.60-8,607,945,081.93

Finding the Fourth Proportional to 15,124,269,400.04, 20,873,321,968.60 and 8,607,945,081.93

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Solution

The fourth proportional to 15,124,269,400.04, 20,873,321,968.60 and 8,607,945,081.93 is: 11,880,005,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,400.04 : 20,873,321,968.60 = 8,607,945,081.93 : x
  2. Step 2: Convert to fraction form
    15,124,269,400.04/20,873,321,968.60 = 8,607,945,081.93/x
  3. Step 3: Cross multiply
    15,124,269,400.04x = 20,873,321,968.60 × 8,607,945,081.93
  4. Step 4: Simplify right side
    15,124,269,400.04x = 179,676,409,183,151,783,936
  5. Step 5: Solve for x
    x = 179,676,409,183,151,783,936/15,124,269,400.04
  6. Step 6: Final answer
    x = 11,880,005,865.45

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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.