Home / 397,846,742.01-545,052,012.19-382,935,649.31

Finding the Fourth Proportional to 397,846,742.01, 545,052,012.19 and 382,935,649.31

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Solution

The fourth proportional to 397,846,742.01, 545,052,012.19 and 382,935,649.31 is: 524,623,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,846,742.01 : 545,052,012.19 = 382,935,649.31 : x
  2. Step 2: Convert to fraction form
    397,846,742.01/545,052,012.19 = 382,935,649.31/x
  3. Step 3: Cross multiply
    397,846,742.01x = 545,052,012.19 × 382,935,649.31
  4. Step 4: Simplify right side
    397,846,742.01x = 208,719,846,194,074,144
  5. Step 5: Solve for x
    x = 208,719,846,194,074,144/397,846,742.01
  6. Step 6: Final answer
    x = 524,623,741.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.