Home / 326,725,728.60-490,088,592.90-252,749,141.40

Finding the Fourth Proportional to 326,725,728.60, 490,088,592.90 and 252,749,141.40

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Solution

The fourth proportional to 326,725,728.60, 490,088,592.90 and 252,749,141.40 is: 379,123,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,725,728.60 : 490,088,592.90 = 252,749,141.40 : x
  2. Step 2: Convert to fraction form
    326,725,728.60/490,088,592.90 = 252,749,141.40/x
  3. Step 3: Cross multiply
    326,725,728.60x = 490,088,592.90 × 252,749,141.40
  4. Step 4: Simplify right side
    326,725,728.60x = 123,869,471,065,409,136
  5. Step 5: Solve for x
    x = 123,869,471,065,409,136/326,725,728.60
  6. Step 6: Final answer
    x = 379,123,712.10

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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.