Home / 674,017,489.20-1,011,026,233.80-328,793,415.60

Finding the Fourth Proportional to 674,017,489.20, 1,011,026,233.80 and 328,793,415.60

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Solution

The fourth proportional to 674,017,489.20, 1,011,026,233.80 and 328,793,415.60 is: 493,190,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,017,489.20 : 1,011,026,233.80 = 328,793,415.60 : x
  2. Step 2: Convert to fraction form
    674,017,489.20/1,011,026,233.80 = 328,793,415.60/x
  3. Step 3: Cross multiply
    674,017,489.20x = 1,011,026,233.80 × 328,793,415.60
  4. Step 4: Simplify right side
    674,017,489.20x = 332,418,768,672,306,176
  5. Step 5: Solve for x
    x = 332,418,768,672,306,176/674,017,489.20
  6. Step 6: Final answer
    x = 493,190,123.40

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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.