Home / 360,388,950.81-497,373,820.25-219,270,189.69

Finding the Fourth Proportional to 360,388,950.81, 497,373,820.25 and 219,270,189.69

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Solution

The fourth proportional to 360,388,950.81, 497,373,820.25 and 219,270,189.69 is: 302,615,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,388,950.81 : 497,373,820.25 = 219,270,189.69 : x
  2. Step 2: Convert to fraction form
    360,388,950.81/497,373,820.25 = 219,270,189.69/x
  3. Step 3: Cross multiply
    360,388,950.81x = 497,373,820.25 × 219,270,189.69
  4. Step 4: Simplify right side
    360,388,950.81x = 109,059,251,911,961,120
  5. Step 5: Solve for x
    x = 109,059,251,911,961,120/360,388,950.81
  6. Step 6: Final answer
    x = 302,615,415.00

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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.