Home / 265,760,350.40-398,640,525.60-144,827,998.40

Finding the Fourth Proportional to 265,760,350.40, 398,640,525.60 and 144,827,998.40

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Solution

The fourth proportional to 265,760,350.40, 398,640,525.60 and 144,827,998.40 is: 217,241,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,760,350.40 : 398,640,525.60 = 144,827,998.40 : x
  2. Step 2: Convert to fraction form
    265,760,350.40/398,640,525.60 = 144,827,998.40/x
  3. Step 3: Cross multiply
    265,760,350.40x = 398,640,525.60 × 144,827,998.40
  4. Step 4: Simplify right side
    265,760,350.40x = 57,734,309,403,771,968
  5. Step 5: Solve for x
    x = 57,734,309,403,771,968/265,760,350.40
  6. Step 6: Final answer
    x = 217,241,997.60

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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.