Home / 478,685,611.74-718,246,586.96-245,679,950.21

Finding the Fourth Proportional to 478,685,611.74, 718,246,586.96 and 245,679,950.21

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Solution

The fourth proportional to 478,685,611.74, 718,246,586.96 and 245,679,950.21 is: 368,631,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,685,611.74 : 718,246,586.96 = 245,679,950.21 : x
  2. Step 2: Convert to fraction form
    478,685,611.74/718,246,586.96 = 245,679,950.21/x
  3. Step 3: Cross multiply
    478,685,611.74x = 718,246,586.96 × 245,679,950.21
  4. Step 4: Simplify right side
    478,685,611.74x = 176,458,785,722,835,264
  5. Step 5: Solve for x
    x = 176,458,785,722,835,264/478,685,611.74
  6. Step 6: Final answer
    x = 368,631,898.25

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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.