Home / 378,315,139.44-567,496,683.54-159,924,779.76

Finding the Fourth Proportional to 378,315,139.44, 567,496,683.54 and 159,924,779.76

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Solution

The fourth proportional to 378,315,139.44, 567,496,683.54 and 159,924,779.76 is: 239,897,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,315,139.44 : 567,496,683.54 = 159,924,779.76 : x
  2. Step 2: Convert to fraction form
    378,315,139.44/567,496,683.54 = 159,924,779.76/x
  3. Step 3: Cross multiply
    378,315,139.44x = 567,496,683.54 × 159,924,779.76
  4. Step 4: Simplify right side
    378,315,139.44x = 90,756,782,129,664,912
  5. Step 5: Solve for x
    x = 90,756,782,129,664,912/378,315,139.44
  6. Step 6: Final answer
    x = 239,897,304.31

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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.