Home / 377,445,607.02-520,429,245.48-258,425,914.23

Finding the Fourth Proportional to 377,445,607.02, 520,429,245.48 and 258,425,914.23

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Solution

The fourth proportional to 377,445,607.02, 520,429,245.48 and 258,425,914.23 is: 356,322,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,445,607.02 : 520,429,245.48 = 258,425,914.23 : x
  2. Step 2: Convert to fraction form
    377,445,607.02/520,429,245.48 = 258,425,914.23/x
  3. Step 3: Cross multiply
    377,445,607.02x = 520,429,245.48 × 258,425,914.23
  4. Step 4: Simplify right side
    377,445,607.02x = 134,492,403,555,198,096
  5. Step 5: Solve for x
    x = 134,492,403,555,198,096/377,445,607.02
  6. Step 6: Final answer
    x = 356,322,609.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.