Home / 328,974,064.45-493,457,292.36-79,980,732.20

Finding the Fourth Proportional to 328,974,064.45, 493,457,292.36 and 79,980,732.20

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Solution

The fourth proportional to 328,974,064.45, 493,457,292.36 and 79,980,732.20 is: 119,970,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,974,064.45 : 493,457,292.36 = 79,980,732.20 : x
  2. Step 2: Convert to fraction form
    328,974,064.45/493,457,292.36 = 79,980,732.20/x
  3. Step 3: Cross multiply
    328,974,064.45x = 493,457,292.36 × 79,980,732.20
  4. Step 4: Simplify right side
    328,974,064.45x = 39,467,075,551,065,760
  5. Step 5: Solve for x
    x = 39,467,075,551,065,760/328,974,064.45
  6. Step 6: Final answer
    x = 119,970,173.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.