Home / 469,916,272.47-648,489,617.74-258,223,157.86

Finding the Fourth Proportional to 469,916,272.47, 648,489,617.74 and 258,223,157.86

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Solution

The fourth proportional to 469,916,272.47, 648,489,617.74 and 258,223,157.86 is: 356,350,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,916,272.47 : 648,489,617.74 = 258,223,157.86 : x
  2. Step 2: Convert to fraction form
    469,916,272.47/648,489,617.74 = 258,223,157.86/x
  3. Step 3: Cross multiply
    469,916,272.47x = 648,489,617.74 × 258,223,157.86
  4. Step 4: Simplify right side
    469,916,272.47x = 167,455,036,932,247,104
  5. Step 5: Solve for x
    x = 167,455,036,932,247,104/469,916,272.47
  6. Step 6: Final answer
    x = 356,350,794.26

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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.