Home / 621,158,737,582.67-931,831,269,269.40-218,171,179,165.05

Finding the Fourth Proportional to 621,158,737,582.67, 931,831,269,269.40 and 218,171,179,165.05

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Solution

The fourth proportional to 621,158,737,582.67, 931,831,269,269.40 and 218,171,179,165.05 is: 327,289,490,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,582.67 : 931,831,269,269.40 = 218,171,179,165.05 : x
  2. Step 2: Convert to fraction form
    621,158,737,582.67/931,831,269,269.40 = 218,171,179,165.05/x
  3. Step 3: Cross multiply
    621,158,737,582.67x = 931,831,269,269.40 × 218,171,179,165.05
  4. Step 4: Simplify right side
    621,158,737,582.67x = 203,298,726,799,370,216,275,968
  5. Step 5: Solve for x
    x = 203,298,726,799,370,216,275,968/621,158,737,582.67
  6. Step 6: Final answer
    x = 327,289,490,590.66

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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.