Home / 15,586,382,125.84-21,510,810,484.42-9,483,167,969.86

Finding the Fourth Proportional to 15,586,382,125.84, 21,510,810,484.42 and 9,483,167,969.86

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Solution

The fourth proportional to 15,586,382,125.84, 21,510,810,484.42 and 9,483,167,969.86 is: 13,087,747,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,382,125.84 : 21,510,810,484.42 = 9,483,167,969.86 : x
  2. Step 2: Convert to fraction form
    15,586,382,125.84/21,510,810,484.42 = 9,483,167,969.86/x
  3. Step 3: Cross multiply
    15,586,382,125.84x = 21,510,810,484.42 × 9,483,167,969.86
  4. Step 4: Simplify right side
    15,586,382,125.84x = 203,990,628,991,580,405,760
  5. Step 5: Solve for x
    x = 203,990,628,991,580,405,760/15,586,382,125.84
  6. Step 6: Final answer
    x = 13,087,747,197.82

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Double scale
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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.