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Finding the Fourth Proportional to 644,460,573.80, 966,690,860.70 and 184,413,751.40

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Solution

The fourth proportional to 644,460,573.80, 966,690,860.70 and 184,413,751.40 is: 276,620,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,460,573.80 : 966,690,860.70 = 184,413,751.40 : x
  2. Step 2: Convert to fraction form
    644,460,573.80/966,690,860.70 = 184,413,751.40/x
  3. Step 3: Cross multiply
    644,460,573.80x = 966,690,860.70 × 184,413,751.40
  4. Step 4: Simplify right side
    644,460,573.80x = 178,271,088,065,781,856
  5. Step 5: Solve for x
    x = 178,271,088,065,781,856/644,460,573.80
  6. Step 6: Final answer
    x = 276,620,627.10

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Similar ratio
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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.