Home / 354,294,249.40-531,441,374.10-243,329,368.60

Finding the Fourth Proportional to 354,294,249.40, 531,441,374.10 and 243,329,368.60

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Solution

The fourth proportional to 354,294,249.40, 531,441,374.10 and 243,329,368.60 is: 364,994,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,249.40 : 531,441,374.10 = 243,329,368.60 : x
  2. Step 2: Convert to fraction form
    354,294,249.40/531,441,374.10 = 243,329,368.60/x
  3. Step 3: Cross multiply
    354,294,249.40x = 531,441,374.10 × 243,329,368.60
  4. Step 4: Simplify right side
    354,294,249.40x = 129,315,294,007,669,392
  5. Step 5: Solve for x
    x = 129,315,294,007,669,392/354,294,249.40
  6. Step 6: Final answer
    x = 364,994,052.90

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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.