Home / 371,388,985.30-512,521,443.93-204,143,506.30

Finding the Fourth Proportional to 371,388,985.30, 512,521,443.93 and 204,143,506.30

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Solution

The fourth proportional to 371,388,985.30, 512,521,443.93 and 204,143,506.30 is: 281,720,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,388,985.30 : 512,521,443.93 = 204,143,506.30 : x
  2. Step 2: Convert to fraction form
    371,388,985.30/512,521,443.93 = 204,143,506.30/x
  3. Step 3: Cross multiply
    371,388,985.30x = 512,521,443.93 × 204,143,506.30
  4. Step 4: Simplify right side
    371,388,985.30x = 104,627,924,617,809,056
  5. Step 5: Solve for x
    x = 104,627,924,617,809,056/371,388,985.30
  6. Step 6: Final answer
    x = 281,720,591.51

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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.