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Finding the Fourth Proportional to 918,181,806.05, 1,377,272,709.08 and 918,181,806.05

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Solution

The fourth proportional to 918,181,806.05, 1,377,272,709.08 and 918,181,806.05 is: 1,377,272,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,181,806.05 : 1,377,272,709.08 = 918,181,806.05 : x
  2. Step 2: Convert to fraction form
    918,181,806.05/1,377,272,709.08 = 918,181,806.05/x
  3. Step 3: Cross multiply
    918,181,806.05x = 1,377,272,709.08 × 918,181,806.05
  4. Step 4: Simplify right side
    918,181,806.05x = 1,264,586,743,446,450,432
  5. Step 5: Solve for x
    x = 1,264,586,743,446,450,432/918,181,806.05
  6. Step 6: Final answer
    x = 1,377,272,709.08

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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.