Home / 612,210,277.53-918,846,060.30-321,282,940.41

Finding the Fourth Proportional to 612,210,277.53, 918,846,060.30 and 321,282,940.41

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Solution

The fourth proportional to 612,210,277.53, 918,846,060.30 and 321,282,940.41 is: 482,202,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,210,277.53 : 918,846,060.30 = 321,282,940.41 : x
  2. Step 2: Convert to fraction form
    612,210,277.53/918,846,060.30 = 321,282,940.41/x
  3. Step 3: Cross multiply
    612,210,277.53x = 918,846,060.30 × 321,282,940.41
  4. Step 4: Simplify right side
    612,210,277.53x = 295,209,564,037,328,192
  5. Step 5: Solve for x
    x = 295,209,564,037,328,192/612,210,277.53
  6. Step 6: Final answer
    x = 482,202,888.24

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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.