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Finding the Fourth Proportional to 403,325,615.20, 603,980,653.20 and 322,704,047.20

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Solution

The fourth proportional to 403,325,615.20, 603,980,653.20 and 322,704,047.20 is: 483,249,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,325,615.20 : 603,980,653.20 = 322,704,047.20 : x
  2. Step 2: Convert to fraction form
    403,325,615.20/603,980,653.20 = 322,704,047.20/x
  3. Step 3: Cross multiply
    403,325,615.20x = 603,980,653.20 × 322,704,047.20
  4. Step 4: Simplify right side
    403,325,615.20x = 194,907,001,218,139,648
  5. Step 5: Solve for x
    x = 194,907,001,218,139,648/403,325,615.20
  6. Step 6: Final answer
    x = 483,249,746.29

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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.