Home / 572,432,675.60-789,976,274.38-318,124,749.04

Finding the Fourth Proportional to 572,432,675.60, 789,976,274.38 and 318,124,749.04

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Solution

The fourth proportional to 572,432,675.60, 789,976,274.38 and 318,124,749.04 is: 439,022,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,432,675.60 : 789,976,274.38 = 318,124,749.04 : x
  2. Step 2: Convert to fraction form
    572,432,675.60/789,976,274.38 = 318,124,749.04/x
  3. Step 3: Cross multiply
    572,432,675.60x = 789,976,274.38 × 318,124,749.04
  4. Step 4: Simplify right side
    572,432,675.60x = 251,311,004,031,921,472
  5. Step 5: Solve for x
    x = 251,311,004,031,921,472/572,432,675.60
  6. Step 6: Final answer
    x = 439,022,813.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.