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Finding the Fourth Proportional to 1,720,398,514.40, 2,580,597,771.60 and 1,720,398,514.40

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Solution

The fourth proportional to 1,720,398,514.40, 2,580,597,771.60 and 1,720,398,514.40 is: 2,580,597,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,398,514.40 : 2,580,597,771.60 = 1,720,398,514.40 : x
  2. Step 2: Convert to fraction form
    1,720,398,514.40/2,580,597,771.60 = 1,720,398,514.40/x
  3. Step 3: Cross multiply
    1,720,398,514.40x = 2,580,597,771.60 × 1,720,398,514.40
  4. Step 4: Simplify right side
    1,720,398,514.40x = 4,439,656,572,524,590,592
  5. Step 5: Solve for x
    x = 4,439,656,572,524,590,592/1,720,398,514.40
  6. Step 6: Final answer
    x = 2,580,597,771.60

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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.