Home / 722,021,766.76-997,324,689.72-597,078,642.52

Finding the Fourth Proportional to 722,021,766.76, 997,324,689.72 and 597,078,642.52

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Solution

The fourth proportional to 722,021,766.76, 997,324,689.72 and 597,078,642.52 is: 824,741,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,021,766.76 : 997,324,689.72 = 597,078,642.52 : x
  2. Step 2: Convert to fraction form
    722,021,766.76/997,324,689.72 = 597,078,642.52/x
  3. Step 3: Cross multiply
    722,021,766.76x = 997,324,689.72 × 597,078,642.52
  4. Step 4: Simplify right side
    722,021,766.76x = 595,481,271,889,697,792
  5. Step 5: Solve for x
    x = 595,481,271,889,697,792/722,021,766.76
  6. Step 6: Final answer
    x = 824,741,440.36

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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.