Home / 328,974,065.70-493,457,294.24-79,980,733.45

Finding the Fourth Proportional to 328,974,065.70, 493,457,294.24 and 79,980,733.45

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Solution

The fourth proportional to 328,974,065.70, 493,457,294.24 and 79,980,733.45 is: 119,970,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,974,065.70 : 493,457,294.24 = 79,980,733.45 : x
  2. Step 2: Convert to fraction form
    328,974,065.70/493,457,294.24 = 79,980,733.45/x
  3. Step 3: Cross multiply
    328,974,065.70x = 493,457,294.24 × 79,980,733.45
  4. Step 4: Simplify right side
    328,974,065.70x = 39,467,076,319,567,664
  5. Step 5: Solve for x
    x = 39,467,076,319,567,664/328,974,065.70
  6. Step 6: Final answer
    x = 119,970,175.26

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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.