Home / 368,624,782.32-508,692,486.60-203,608,808.88

Finding the Fourth Proportional to 368,624,782.32, 508,692,486.60 and 203,608,808.88

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Solution

The fourth proportional to 368,624,782.32, 508,692,486.60 and 203,608,808.88 is: 280,974,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,624,782.32 : 508,692,486.60 = 203,608,808.88 : x
  2. Step 2: Convert to fraction form
    368,624,782.32/508,692,486.60 = 203,608,808.88/x
  3. Step 3: Cross multiply
    368,624,782.32x = 508,692,486.60 × 203,608,808.88
  4. Step 4: Simplify right side
    368,624,782.32x = 103,574,271,282,831,360
  5. Step 5: Solve for x
    x = 103,574,271,282,831,360/368,624,782.32
  6. Step 6: Final answer
    x = 280,974,791.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.