Home / 842,184,097.20-1,263,276,145.80-296,980,743.60

Finding the Fourth Proportional to 842,184,097.20, 1,263,276,145.80 and 296,980,743.60

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Solution

The fourth proportional to 842,184,097.20, 1,263,276,145.80 and 296,980,743.60 is: 445,471,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,184,097.20 : 1,263,276,145.80 = 296,980,743.60 : x
  2. Step 2: Convert to fraction form
    842,184,097.20/1,263,276,145.80 = 296,980,743.60/x
  3. Step 3: Cross multiply
    842,184,097.20x = 1,263,276,145.80 × 296,980,743.60
  4. Step 4: Simplify right side
    842,184,097.20x = 375,168,689,151,826,048
  5. Step 5: Solve for x
    x = 375,168,689,151,826,048/842,184,097.20
  6. Step 6: Final answer
    x = 445,471,115.40

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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.