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Finding the Fourth Proportional to 7,210,365,062.28, 10,815,547,593.41 and 7,210,365,062.28

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Solution

The fourth proportional to 7,210,365,062.28, 10,815,547,593.41 and 7,210,365,062.28 is: 10,815,547,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,365,062.28 : 10,815,547,593.41 = 7,210,365,062.28 : x
  2. Step 2: Convert to fraction form
    7,210,365,062.28/10,815,547,593.41 = 7,210,365,062.28/x
  3. Step 3: Cross multiply
    7,210,365,062.28x = 10,815,547,593.41 × 7,210,365,062.28
  4. Step 4: Simplify right side
    7,210,365,062.28x = 77,984,046,496,949,993,472
  5. Step 5: Solve for x
    x = 77,984,046,496,949,993,472/7,210,365,062.28
  6. Step 6: Final answer
    x = 10,815,547,593.41

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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.