Home / 399,255,862.37-598,348,467.89-310,731,325.65

Finding the Fourth Proportional to 399,255,862.37, 598,348,467.89 and 310,731,325.65

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Solution

The fourth proportional to 399,255,862.37, 598,348,467.89 and 310,731,325.65 is: 465,680,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,255,862.37 : 598,348,467.89 = 310,731,325.65 : x
  2. Step 2: Convert to fraction form
    399,255,862.37/598,348,467.89 = 310,731,325.65/x
  3. Step 3: Cross multiply
    399,255,862.37x = 598,348,467.89 × 310,731,325.65
  4. Step 4: Simplify right side
    399,255,862.37x = 185,925,612,630,378,848
  5. Step 5: Solve for x
    x = 185,925,612,630,378,848/399,255,862.37
  6. Step 6: Final answer
    x = 465,680,357.27

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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.