Home / 354,318,542.60-531,477,813.90-163,215,566.60

Finding the Fourth Proportional to 354,318,542.60, 531,477,813.90 and 163,215,566.60

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Solution

The fourth proportional to 354,318,542.60, 531,477,813.90 and 163,215,566.60 is: 244,823,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,318,542.60 : 531,477,813.90 = 163,215,566.60 : x
  2. Step 2: Convert to fraction form
    354,318,542.60/531,477,813.90 = 163,215,566.60/x
  3. Step 3: Cross multiply
    354,318,542.60x = 531,477,813.90 × 163,215,566.60
  4. Step 4: Simplify right side
    354,318,542.60x = 86,745,452,531,017,856
  5. Step 5: Solve for x
    x = 86,745,452,531,017,856/354,318,542.60
  6. Step 6: Final answer
    x = 244,823,349.90

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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.