Home / 548,428,329.78-756,831,013.23-313,484,035.14

Finding the Fourth Proportional to 548,428,329.78, 756,831,013.23 and 313,484,035.14

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Solution

The fourth proportional to 548,428,329.78, 756,831,013.23 and 313,484,035.14 is: 432,607,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,428,329.78 : 756,831,013.23 = 313,484,035.14 : x
  2. Step 2: Convert to fraction form
    548,428,329.78/756,831,013.23 = 313,484,035.14/x
  3. Step 3: Cross multiply
    548,428,329.78x = 756,831,013.23 × 313,484,035.14
  4. Step 4: Simplify right side
    548,428,329.78x = 237,254,439,946,435,136
  5. Step 5: Solve for x
    x = 237,254,439,946,435,136/548,428,329.78
  6. Step 6: Final answer
    x = 432,607,921.70

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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.