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Finding the Fourth Proportional to 10,628,774,715.20, 15,943,162,072.80 and 10,628,774,715.20

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Solution

The fourth proportional to 10,628,774,715.20, 15,943,162,072.80 and 10,628,774,715.20 is: 15,943,162,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,774,715.20 : 15,943,162,072.80 = 10,628,774,715.20 : x
  2. Step 2: Convert to fraction form
    10,628,774,715.20/15,943,162,072.80 = 10,628,774,715.20/x
  3. Step 3: Cross multiply
    10,628,774,715.20x = 15,943,162,072.80 × 10,628,774,715.20
  4. Step 4: Simplify right side
    10,628,774,715.20x = 169,456,277,919,712,280,576
  5. Step 5: Solve for x
    x = 169,456,277,919,712,280,576/10,628,774,715.20
  6. Step 6: Final answer
    x = 15,943,162,072.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.