Home / 303,529,908-418,928,018.40-173,149,716

Finding the Fourth Proportional to 303,529,908, 418,928,018.40 and 173,149,716

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Solution

The fourth proportional to 303,529,908, 418,928,018.40 and 173,149,716 is: 238,978,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,529,908 : 418,928,018.40 = 173,149,716 : x
  2. Step 2: Convert to fraction form
    303,529,908/418,928,018.40 = 173,149,716/x
  3. Step 3: Cross multiply
    303,529,908x = 418,928,018.40 × 173,149,716
  4. Step 4: Simplify right side
    303,529,908x = 72,537,267,410,402,768
  5. Step 5: Solve for x
    x = 72,537,267,410,402,768/303,529,908
  6. Step 6: Final answer
    x = 238,978,978.67

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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.