Home / 790,080,122.08-1,090,310,189.25-472,540,362.49

Finding the Fourth Proportional to 790,080,122.08, 1,090,310,189.25 and 472,540,362.49

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Solution

The fourth proportional to 790,080,122.08, 1,090,310,189.25 and 472,540,362.49 is: 652,105,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,080,122.08 : 1,090,310,189.25 = 472,540,362.49 : x
  2. Step 2: Convert to fraction form
    790,080,122.08/1,090,310,189.25 = 472,540,362.49/x
  3. Step 3: Cross multiply
    790,080,122.08x = 1,090,310,189.25 × 472,540,362.49
  4. Step 4: Simplify right side
    790,080,122.08x = 515,215,572,047,749,888
  5. Step 5: Solve for x
    x = 515,215,572,047,749,888/790,080,122.08
  6. Step 6: Final answer
    x = 652,105,473.42

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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.