Home / 439,725,614.40-659,588,421.60-152,511,278.40

Finding the Fourth Proportional to 439,725,614.40, 659,588,421.60 and 152,511,278.40

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Solution

The fourth proportional to 439,725,614.40, 659,588,421.60 and 152,511,278.40 is: 228,766,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,725,614.40 : 659,588,421.60 = 152,511,278.40 : x
  2. Step 2: Convert to fraction form
    439,725,614.40/659,588,421.60 = 152,511,278.40/x
  3. Step 3: Cross multiply
    439,725,614.40x = 659,588,421.60 × 152,511,278.40
  4. Step 4: Simplify right side
    439,725,614.40x = 100,594,673,396,054,176
  5. Step 5: Solve for x
    x = 100,594,673,396,054,176/439,725,614.40
  6. Step 6: Final answer
    x = 228,766,917.60

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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.