Home / 789,468,000.90-1,184,202,001.35-215,039,328.90

Finding the Fourth Proportional to 789,468,000.90, 1,184,202,001.35 and 215,039,328.90

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Solution

The fourth proportional to 789,468,000.90, 1,184,202,001.35 and 215,039,328.90 is: 322,558,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,468,000.90 : 1,184,202,001.35 = 215,039,328.90 : x
  2. Step 2: Convert to fraction form
    789,468,000.90/1,184,202,001.35 = 215,039,328.90/x
  3. Step 3: Cross multiply
    789,468,000.90x = 1,184,202,001.35 × 215,039,328.90
  4. Step 4: Simplify right side
    789,468,000.90x = 254,650,003,652,340,896
  5. Step 5: Solve for x
    x = 254,650,003,652,340,896/789,468,000.90
  6. Step 6: Final answer
    x = 322,558,993.35

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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.