Home / 580,124,766.30-870,187,149.45-197,172,318.30

Finding the Fourth Proportional to 580,124,766.30, 870,187,149.45 and 197,172,318.30

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Solution

The fourth proportional to 580,124,766.30, 870,187,149.45 and 197,172,318.30 is: 295,758,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,124,766.30 : 870,187,149.45 = 197,172,318.30 : x
  2. Step 2: Convert to fraction form
    580,124,766.30/870,187,149.45 = 197,172,318.30/x
  3. Step 3: Cross multiply
    580,124,766.30x = 870,187,149.45 × 197,172,318.30
  4. Step 4: Simplify right side
    580,124,766.30x = 171,576,817,611,925,088
  5. Step 5: Solve for x
    x = 171,576,817,611,925,088/580,124,766.30
  6. Step 6: Final answer
    x = 295,758,477.45

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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.