Home / 621,104,002.80-931,656,004.20-297,821,468.40

Finding the Fourth Proportional to 621,104,002.80, 931,656,004.20 and 297,821,468.40

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Solution

The fourth proportional to 621,104,002.80, 931,656,004.20 and 297,821,468.40 is: 446,732,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,104,002.80 : 931,656,004.20 = 297,821,468.40 : x
  2. Step 2: Convert to fraction form
    621,104,002.80/931,656,004.20 = 297,821,468.40/x
  3. Step 3: Cross multiply
    621,104,002.80x = 931,656,004.20 × 297,821,468.40
  4. Step 4: Simplify right side
    621,104,002.80x = 277,467,159,214,520,544
  5. Step 5: Solve for x
    x = 277,467,159,214,520,544/621,104,002.80
  6. Step 6: Final answer
    x = 446,732,202.60

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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.