Home / 307,985,401,671.87-424,963,656,564.24-177,726,736,046.46

Finding the Fourth Proportional to 307,985,401,671.87, 424,963,656,564.24 and 177,726,736,046.46

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Solution

The fourth proportional to 307,985,401,671.87, 424,963,656,564.24 and 177,726,736,046.46 is: 245,230,466,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,985,401,671.87 : 424,963,656,564.24 = 177,726,736,046.46 : x
  2. Step 2: Convert to fraction form
    307,985,401,671.87/424,963,656,564.24 = 177,726,736,046.46/x
  3. Step 3: Cross multiply
    307,985,401,671.87x = 424,963,656,564.24 × 177,726,736,046.46
  4. Step 4: Simplify right side
    307,985,401,671.87x = 75,527,403,619,531,152,687,104
  5. Step 5: Solve for x
    x = 75,527,403,619,531,152,687,104/307,985,401,671.87
  6. Step 6: Final answer
    x = 245,230,466,150.47

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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.