Home / 419,177,716.12-578,467,524.74-240,547,381.40

Finding the Fourth Proportional to 419,177,716.12, 578,467,524.74 and 240,547,381.40

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Solution

The fourth proportional to 419,177,716.12, 578,467,524.74 and 240,547,381.40 is: 331,956,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,177,716.12 : 578,467,524.74 = 240,547,381.40 : x
  2. Step 2: Convert to fraction form
    419,177,716.12/578,467,524.74 = 240,547,381.40/x
  3. Step 3: Cross multiply
    419,177,716.12x = 578,467,524.74 × 240,547,381.40
  4. Step 4: Simplify right side
    419,177,716.12x = 139,148,848,301,146,720
  5. Step 5: Solve for x
    x = 139,148,848,301,146,720/419,177,716.12
  6. Step 6: Final answer
    x = 331,956,692.71

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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.