Home / 368,624,764.32-508,692,461.76-203,608,790.88

Finding the Fourth Proportional to 368,624,764.32, 508,692,461.76 and 203,608,790.88

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Solution

The fourth proportional to 368,624,764.32, 508,692,461.76 and 203,608,790.88 is: 280,974,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,624,764.32 : 508,692,461.76 = 203,608,790.88 : x
  2. Step 2: Convert to fraction form
    368,624,764.32/508,692,461.76 = 203,608,790.88/x
  3. Step 3: Cross multiply
    368,624,764.32x = 508,692,461.76 × 203,608,790.88
  4. Step 4: Simplify right side
    368,624,764.32x = 103,574,257,068,724,240
  5. Step 5: Solve for x
    x = 103,574,257,068,724,240/368,624,764.32
  6. Step 6: Final answer
    x = 280,974,766.47

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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.