Home / 629,819,368.38-944,621,379.27-169,649,920.98

Finding the Fourth Proportional to 629,819,368.38, 944,621,379.27 and 169,649,920.98

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Solution

The fourth proportional to 629,819,368.38, 944,621,379.27 and 169,649,920.98 is: 254,445,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,819,368.38 : 944,621,379.27 = 169,649,920.98 : x
  2. Step 2: Convert to fraction form
    629,819,368.38/944,621,379.27 = 169,649,920.98/x
  3. Step 3: Cross multiply
    629,819,368.38x = 944,621,379.27 × 169,649,920.98
  4. Step 4: Simplify right side
    629,819,368.38x = 160,254,942,349,174,112
  5. Step 5: Solve for x
    x = 160,254,942,349,174,112/629,819,368.38
  6. Step 6: Final answer
    x = 254,445,878.29

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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.