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Finding the Fourth Proportional to 927,811,025.10, 1,391,716,537.65 and 927,811,025.10

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Solution

The fourth proportional to 927,811,025.10, 1,391,716,537.65 and 927,811,025.10 is: 1,391,716,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,811,025.10 : 1,391,716,537.65 = 927,811,025.10 : x
  2. Step 2: Convert to fraction form
    927,811,025.10/1,391,716,537.65 = 927,811,025.10/x
  3. Step 3: Cross multiply
    927,811,025.10x = 1,391,716,537.65 × 927,811,025.10
  4. Step 4: Simplify right side
    927,811,025.10x = 1,291,249,947,445,669,376
  5. Step 5: Solve for x
    x = 1,291,249,947,445,669,376/927,811,025.10
  6. Step 6: Final answer
    x = 1,391,716,537.65

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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.