Home / 554,485,029.60-831,727,544.40-145,582,514.40

Finding the Fourth Proportional to 554,485,029.60, 831,727,544.40 and 145,582,514.40

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Solution

The fourth proportional to 554,485,029.60, 831,727,544.40 and 145,582,514.40 is: 218,373,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,485,029.60 : 831,727,544.40 = 145,582,514.40 : x
  2. Step 2: Convert to fraction form
    554,485,029.60/831,727,544.40 = 145,582,514.40/x
  3. Step 3: Cross multiply
    554,485,029.60x = 831,727,544.40 × 145,582,514.40
  4. Step 4: Simplify right side
    554,485,029.60x = 121,084,987,209,489,648
  5. Step 5: Solve for x
    x = 121,084,987,209,489,648/554,485,029.60
  6. Step 6: Final answer
    x = 218,373,771.60

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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.