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Finding the Fourth Proportional to 869,352,301.80, 1,300,627,230.30 and 563,242,285.80

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Solution

The fourth proportional to 869,352,301.80, 1,300,627,230.30 and 563,242,285.80 is: 842,659,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,352,301.80 : 1,300,627,230.30 = 563,242,285.80 : x
  2. Step 2: Convert to fraction form
    869,352,301.80/1,300,627,230.30 = 563,242,285.80/x
  3. Step 3: Cross multiply
    869,352,301.80x = 1,300,627,230.30 × 563,242,285.80
  4. Step 4: Simplify right side
    869,352,301.80x = 732,568,254,167,894,912
  5. Step 5: Solve for x
    x = 732,568,254,167,894,912/869,352,301.80
  6. Step 6: Final answer
    x = 842,659,820.02

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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.