Home / 673,721,494.53-929,683,772.69-380,395,015.17

Finding the Fourth Proportional to 673,721,494.53, 929,683,772.69 and 380,395,015.17

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Solution

The fourth proportional to 673,721,494.53, 929,683,772.69 and 380,395,015.17 is: 524,915,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,721,494.53 : 929,683,772.69 = 380,395,015.17 : x
  2. Step 2: Convert to fraction form
    673,721,494.53/929,683,772.69 = 380,395,015.17/x
  3. Step 3: Cross multiply
    673,721,494.53x = 929,683,772.69 × 380,395,015.17
  4. Step 4: Simplify right side
    673,721,494.53x = 353,647,072,813,813,376
  5. Step 5: Solve for x
    x = 353,647,072,813,813,376/673,721,494.53
  6. Step 6: Final answer
    x = 524,915,823.06

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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.