Home / 664,401,707.75-996,371,772.28-369,746,484.14

Finding the Fourth Proportional to 664,401,707.75, 996,371,772.28 and 369,746,484.14

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Solution

The fourth proportional to 664,401,707.75, 996,371,772.28 and 369,746,484.14 is: 554,491,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,401,707.75 : 996,371,772.28 = 369,746,484.14 : x
  2. Step 2: Convert to fraction form
    664,401,707.75/996,371,772.28 = 369,746,484.14/x
  3. Step 3: Cross multiply
    664,401,707.75x = 996,371,772.28 × 369,746,484.14
  4. Step 4: Simplify right side
    664,401,707.75x = 368,404,959,698,437,248
  5. Step 5: Solve for x
    x = 368,404,959,698,437,248/664,401,707.75
  6. Step 6: Final answer
    x = 554,491,289.53

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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.