Home / 320,905,925.58-481,633,750.53-318,490,427.82

Finding the Fourth Proportional to 320,905,925.58, 481,633,750.53 and 318,490,427.82

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Solution

The fourth proportional to 320,905,925.58, 481,633,750.53 and 318,490,427.82 is: 478,008,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,905,925.58 : 481,633,750.53 = 318,490,427.82 : x
  2. Step 2: Convert to fraction form
    320,905,925.58/481,633,750.53 = 318,490,427.82/x
  3. Step 3: Cross multiply
    320,905,925.58x = 481,633,750.53 × 318,490,427.82
  4. Step 4: Simplify right side
    320,905,925.58x = 153,395,739,258,850,848
  5. Step 5: Solve for x
    x = 153,395,739,258,850,848/320,905,925.58
  6. Step 6: Final answer
    x = 478,008,434.97

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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.