Home / 1,149,060,609.88-1,723,833,015.90-372,645,730.24

Finding the Fourth Proportional to 1,149,060,609.88, 1,723,833,015.90 and 372,645,730.24

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Solution

The fourth proportional to 1,149,060,609.88, 1,723,833,015.90 and 372,645,730.24 is: 559,047,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,060,609.88 : 1,723,833,015.90 = 372,645,730.24 : x
  2. Step 2: Convert to fraction form
    1,149,060,609.88/1,723,833,015.90 = 372,645,730.24/x
  3. Step 3: Cross multiply
    1,149,060,609.88x = 1,723,833,015.90 × 372,645,730.24
  4. Step 4: Simplify right side
    1,149,060,609.88x = 642,379,013,021,877,120
  5. Step 5: Solve for x
    x = 642,379,013,021,877,120/1,149,060,609.88
  6. Step 6: Final answer
    x = 559,047,109.87

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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.