Home / 291,104,147.20-436,656,220.80-267,295,590.40

Finding the Fourth Proportional to 291,104,147.20, 436,656,220.80 and 267,295,590.40

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Solution

The fourth proportional to 291,104,147.20, 436,656,220.80 and 267,295,590.40 is: 400,943,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,104,147.20 : 436,656,220.80 = 267,295,590.40 : x
  2. Step 2: Convert to fraction form
    291,104,147.20/436,656,220.80 = 267,295,590.40/x
  3. Step 3: Cross multiply
    291,104,147.20x = 436,656,220.80 × 267,295,590.40
  4. Step 4: Simplify right side
    291,104,147.20x = 116,716,282,340,568,768
  5. Step 5: Solve for x
    x = 116,716,282,340,568,768/291,104,147.20
  6. Step 6: Final answer
    x = 400,943,385.60

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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.