Home / 439,685,009.29-659,548,725.51-144,573,595.54

Finding the Fourth Proportional to 439,685,009.29, 659,548,725.51 and 144,573,595.54

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Solution

The fourth proportional to 439,685,009.29, 659,548,725.51 and 144,573,595.54 is: 216,867,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,685,009.29 : 659,548,725.51 = 144,573,595.54 : x
  2. Step 2: Convert to fraction form
    439,685,009.29/659,548,725.51 = 144,573,595.54/x
  3. Step 3: Cross multiply
    439,685,009.29x = 659,548,725.51 × 144,573,595.54
  4. Step 4: Simplify right side
    439,685,009.29x = 95,353,330,680,805,216
  5. Step 5: Solve for x
    x = 95,353,330,680,805,216/439,685,009.29
  6. Step 6: Final answer
    x = 216,867,367.93

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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.