Home / 377,445,607.77-520,429,246.52-258,425,914.98

Finding the Fourth Proportional to 377,445,607.77, 520,429,246.52 and 258,425,914.98

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Solution

The fourth proportional to 377,445,607.77, 520,429,246.52 and 258,425,914.98 is: 356,322,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,445,607.77 : 520,429,246.52 = 258,425,914.98 : x
  2. Step 2: Convert to fraction form
    377,445,607.77/520,429,246.52 = 258,425,914.98/x
  3. Step 3: Cross multiply
    377,445,607.77x = 520,429,246.52 × 258,425,914.98
  4. Step 4: Simplify right side
    377,445,607.77x = 134,492,404,212,990,848
  5. Step 5: Solve for x
    x = 134,492,404,212,990,848/377,445,607.77
  6. Step 6: Final answer
    x = 356,322,610.32

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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.