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Finding the Fourth Proportional to 1,641,271,346.78, 2,264,972,730.53 and 888,600,924.54

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Solution

The fourth proportional to 1,641,271,346.78, 2,264,972,730.53 and 888,600,924.54 is: 1,226,279,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,271,346.78 : 2,264,972,730.53 = 888,600,924.54 : x
  2. Step 2: Convert to fraction form
    1,641,271,346.78/2,264,972,730.53 = 888,600,924.54/x
  3. Step 3: Cross multiply
    1,641,271,346.78x = 2,264,972,730.53 × 888,600,924.54
  4. Step 4: Simplify right side
    1,641,271,346.78x = 2,012,656,862,402,403,328
  5. Step 5: Solve for x
    x = 2,012,656,862,402,403,328/1,641,271,346.78
  6. Step 6: Final answer
    x = 1,226,279,168.50

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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.