Home / 3,619,342,852.80-5,429,014,279.20-1,292,906,731.20

Finding the Fourth Proportional to 3,619,342,852.80, 5,429,014,279.20 and 1,292,906,731.20

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Solution

The fourth proportional to 3,619,342,852.80, 5,429,014,279.20 and 1,292,906,731.20 is: 1,939,360,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,342,852.80 : 5,429,014,279.20 = 1,292,906,731.20 : x
  2. Step 2: Convert to fraction form
    3,619,342,852.80/5,429,014,279.20 = 1,292,906,731.20/x
  3. Step 3: Cross multiply
    3,619,342,852.80x = 5,429,014,279.20 × 1,292,906,731.20
  4. Step 4: Simplify right side
    3,619,342,852.80x = 7,019,209,105,358,596,096
  5. Step 5: Solve for x
    x = 7,019,209,105,358,596,096/3,619,342,852.80
  6. Step 6: Final answer
    x = 1,939,360,096.80

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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.