Home / 349,922,965.20-524,884,447.80-220,109,643.60

Finding the Fourth Proportional to 349,922,965.20, 524,884,447.80 and 220,109,643.60

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Solution

The fourth proportional to 349,922,965.20, 524,884,447.80 and 220,109,643.60 is: 330,164,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,922,965.20 : 524,884,447.80 = 220,109,643.60 : x
  2. Step 2: Convert to fraction form
    349,922,965.20/524,884,447.80 = 220,109,643.60/x
  3. Step 3: Cross multiply
    349,922,965.20x = 524,884,447.80 × 220,109,643.60
  4. Step 4: Simplify right side
    349,922,965.20x = 115,532,128,736,440,800
  5. Step 5: Solve for x
    x = 115,532,128,736,440,800/349,922,965.20
  6. Step 6: Final answer
    x = 330,164,465.40

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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.