Home / 326,725,747.60-490,088,621.40-252,749,160.40

Finding the Fourth Proportional to 326,725,747.60, 490,088,621.40 and 252,749,160.40

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Solution

The fourth proportional to 326,725,747.60, 490,088,621.40 and 252,749,160.40 is: 379,123,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,725,747.60 : 490,088,621.40 = 252,749,160.40 : x
  2. Step 2: Convert to fraction form
    326,725,747.60/490,088,621.40 = 252,749,160.40/x
  3. Step 3: Cross multiply
    326,725,747.60x = 490,088,621.40 × 252,749,160.40
  4. Step 4: Simplify right side
    326,725,747.60x = 123,869,487,580,443,472
  5. Step 5: Solve for x
    x = 123,869,487,580,443,472/326,725,747.60
  6. Step 6: Final answer
    x = 379,123,740.60

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1.5x scale

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.