Home / 377,098,342.98-520,634,806.68-258,219,868.32

Finding the Fourth Proportional to 377,098,342.98, 520,634,806.68 and 258,219,868.32

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Solution

The fourth proportional to 377,098,342.98, 520,634,806.68 and 258,219,868.32 is: 356,507,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,098,342.98 : 520,634,806.68 = 258,219,868.32 : x
  2. Step 2: Convert to fraction form
    377,098,342.98/520,634,806.68 = 258,219,868.32/x
  3. Step 3: Cross multiply
    377,098,342.98x = 520,634,806.68 × 258,219,868.32
  4. Step 4: Simplify right side
    377,098,342.98x = 134,438,251,223,718,256
  5. Step 5: Solve for x
    x = 134,438,251,223,718,256/377,098,342.98
  6. Step 6: Final answer
    x = 356,507,138.59

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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.