Home / 354,823,489.60-532,235,234.40-163,720,513.60

Finding the Fourth Proportional to 354,823,489.60, 532,235,234.40 and 163,720,513.60

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Solution

The fourth proportional to 354,823,489.60, 532,235,234.40 and 163,720,513.60 is: 245,580,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,823,489.60 : 532,235,234.40 = 163,720,513.60 : x
  2. Step 2: Convert to fraction form
    354,823,489.60/532,235,234.40 = 163,720,513.60/x
  3. Step 3: Cross multiply
    354,823,489.60x = 532,235,234.40 × 163,720,513.60
  4. Step 4: Simplify right side
    354,823,489.60x = 87,137,825,931,984,384
  5. Step 5: Solve for x
    x = 87,137,825,931,984,384/354,823,489.60
  6. Step 6: Final answer
    x = 245,580,770.40

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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.