Home / 651,726,112.40-977,589,168.60-191,710,782.80

Finding the Fourth Proportional to 651,726,112.40, 977,589,168.60 and 191,710,782.80

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Solution

The fourth proportional to 651,726,112.40, 977,589,168.60 and 191,710,782.80 is: 287,566,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,726,112.40 : 977,589,168.60 = 191,710,782.80 : x
  2. Step 2: Convert to fraction form
    651,726,112.40/977,589,168.60 = 191,710,782.80/x
  3. Step 3: Cross multiply
    651,726,112.40x = 977,589,168.60 × 191,710,782.80
  4. Step 4: Simplify right side
    651,726,112.40x = 187,414,384,769,107,200
  5. Step 5: Solve for x
    x = 187,414,384,769,107,200/651,726,112.40
  6. Step 6: Final answer
    x = 287,566,174.20

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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.