Home / 369,997,531,915.84-554,888,629,573.44-143,306,423,325.04

Finding the Fourth Proportional to 369,997,531,915.84, 554,888,629,573.44 and 143,306,423,325.04

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Solution

The fourth proportional to 369,997,531,915.84, 554,888,629,573.44 and 143,306,423,325.04 is: 214,917,933,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,997,531,915.84 : 554,888,629,573.44 = 143,306,423,325.04 : x
  2. Step 2: Convert to fraction form
    369,997,531,915.84/554,888,629,573.44 = 143,306,423,325.04/x
  3. Step 3: Cross multiply
    369,997,531,915.84x = 554,888,629,573.44 × 143,306,423,325.04
  4. Step 4: Simplify right side
    369,997,531,915.84x = 79,519,104,847,902,700,208,128
  5. Step 5: Solve for x
    x = 79,519,104,847,902,700,208,128/369,997,531,915.84
  6. Step 6: Final answer
    x = 214,917,933,198.51

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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.