Home / 946,685,354.85-1,306,400,729.29-529,001,072.37

Finding the Fourth Proportional to 946,685,354.85, 1,306,400,729.29 and 529,001,072.37

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Solution

The fourth proportional to 946,685,354.85, 1,306,400,729.29 and 529,001,072.37 is: 730,007,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,685,354.85 : 1,306,400,729.29 = 529,001,072.37 : x
  2. Step 2: Convert to fraction form
    946,685,354.85/1,306,400,729.29 = 529,001,072.37/x
  3. Step 3: Cross multiply
    946,685,354.85x = 1,306,400,729.29 × 529,001,072.37
  4. Step 4: Simplify right side
    946,685,354.85x = 691,087,386,737,984,640
  5. Step 5: Solve for x
    x = 691,087,386,737,984,640/946,685,354.85
  6. Step 6: Final answer
    x = 730,007,476.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.