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Finding the Fourth Proportional to 1,641,271,349.78, 2,264,972,734.67 and 888,600,927.54

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Solution

The fourth proportional to 1,641,271,349.78, 2,264,972,734.67 and 888,600,927.54 is: 1,226,279,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,271,349.78 : 2,264,972,734.67 = 888,600,927.54 : x
  2. Step 2: Convert to fraction form
    1,641,271,349.78/2,264,972,734.67 = 888,600,927.54/x
  3. Step 3: Cross multiply
    1,641,271,349.78x = 2,264,972,734.67 × 888,600,927.54
  4. Step 4: Simplify right side
    1,641,271,349.78x = 2,012,656,872,880,572,416
  5. Step 5: Solve for x
    x = 2,012,656,872,880,572,416/1,641,271,349.78
  6. Step 6: Final answer
    x = 1,226,279,172.64

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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.