Home / 877,002,172.72-1,315,072,791.33-433,832,817.04

Finding the Fourth Proportional to 877,002,172.72, 1,315,072,791.33 and 433,832,817.04

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Solution

The fourth proportional to 877,002,172.72, 1,315,072,791.33 and 433,832,817.04 is: 650,536,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,002,172.72 : 1,315,072,791.33 = 433,832,817.04 : x
  2. Step 2: Convert to fraction form
    877,002,172.72/1,315,072,791.33 = 433,832,817.04/x
  3. Step 3: Cross multiply
    877,002,172.72x = 1,315,072,791.33 × 433,832,817.04
  4. Step 4: Simplify right side
    877,002,172.72x = 570,521,733,675,349,952
  5. Step 5: Solve for x
    x = 570,521,733,675,349,952/877,002,172.72
  6. Step 6: Final answer
    x = 650,536,283.06

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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.