Home / 722,082,839,343.84-1,083,128,874,567.60-212,139,520,614.76

Finding the Fourth Proportional to 722,082,839,343.84, 1,083,128,874,567.60 and 212,139,520,614.76

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Solution

The fourth proportional to 722,082,839,343.84, 1,083,128,874,567.60 and 212,139,520,614.76 is: 318,210,636,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,082,839,343.84 : 1,083,128,874,567.60 = 212,139,520,614.76 : x
  2. Step 2: Convert to fraction form
    722,082,839,343.84/1,083,128,874,567.60 = 212,139,520,614.76/x
  3. Step 3: Cross multiply
    722,082,839,343.84x = 1,083,128,874,567.60 × 212,139,520,614.76
  4. Step 4: Simplify right side
    722,082,839,343.84x = 229,774,440,214,775,197,597,696
  5. Step 5: Solve for x
    x = 229,774,440,214,775,197,597,696/722,082,839,343.84
  6. Step 6: Final answer
    x = 318,210,636,917.47

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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.