Home / 945,564,078.88-1,419,206,814.04-503,278,077.77

Finding the Fourth Proportional to 945,564,078.88, 1,419,206,814.04 and 503,278,077.77

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Solution

The fourth proportional to 945,564,078.88, 1,419,206,814.04 and 503,278,077.77 is: 755,375,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,564,078.88 : 1,419,206,814.04 = 503,278,077.77 : x
  2. Step 2: Convert to fraction form
    945,564,078.88/1,419,206,814.04 = 503,278,077.77/x
  3. Step 3: Cross multiply
    945,564,078.88x = 1,419,206,814.04 × 503,278,077.77
  4. Step 4: Simplify right side
    945,564,078.88x = 714,255,677,328,136,960
  5. Step 5: Solve for x
    x = 714,255,677,328,136,960/945,564,078.88
  6. Step 6: Final answer
    x = 755,375,223.41

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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.