Home / 239,150,239.20-358,725,358.80-218,742,904.80

Finding the Fourth Proportional to 239,150,239.20, 358,725,358.80 and 218,742,904.80

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Solution

The fourth proportional to 239,150,239.20, 358,725,358.80 and 218,742,904.80 is: 328,114,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,150,239.20 : 358,725,358.80 = 218,742,904.80 : x
  2. Step 2: Convert to fraction form
    239,150,239.20/358,725,358.80 = 218,742,904.80/x
  3. Step 3: Cross multiply
    239,150,239.20x = 358,725,358.80 × 218,742,904.80
  4. Step 4: Simplify right side
    239,150,239.20x = 78,468,627,009,334,256
  5. Step 5: Solve for x
    x = 78,468,627,009,334,256/239,150,239.20
  6. Step 6: Final answer
    x = 328,114,357.20

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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.