Home / 380,359,223.20-524,897,823.12-206,518,967.20

Finding the Fourth Proportional to 380,359,223.20, 524,897,823.12 and 206,518,967.20

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Solution

The fourth proportional to 380,359,223.20, 524,897,823.12 and 206,518,967.20 is: 284,997,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,359,223.20 : 524,897,823.12 = 206,518,967.20 : x
  2. Step 2: Convert to fraction form
    380,359,223.20/524,897,823.12 = 206,518,967.20/x
  3. Step 3: Cross multiply
    380,359,223.20x = 524,897,823.12 × 206,518,967.20
  4. Step 4: Simplify right side
    380,359,223.20x = 108,401,356,316,270,672
  5. Step 5: Solve for x
    x = 108,401,356,316,270,672/380,359,223.20
  6. Step 6: Final answer
    x = 284,997,312.29

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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.