Home / 869,352,303.80-1,300,627,233.30-563,242,287.80

Finding the Fourth Proportional to 869,352,303.80, 1,300,627,233.30 and 563,242,287.80

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Solution

The fourth proportional to 869,352,303.80, 1,300,627,233.30 and 563,242,287.80 is: 842,659,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,352,303.80 : 1,300,627,233.30 = 563,242,287.80 : x
  2. Step 2: Convert to fraction form
    869,352,303.80/1,300,627,233.30 = 563,242,287.80/x
  3. Step 3: Cross multiply
    869,352,303.80x = 1,300,627,233.30 × 563,242,287.80
  4. Step 4: Simplify right side
    869,352,303.80x = 732,568,258,458,876,288
  5. Step 5: Solve for x
    x = 732,568,258,458,876,288/869,352,303.80
  6. Step 6: Final answer
    x = 842,659,823.02

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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.