Home / 379,702,446,126.76-523,989,763,444.08-206,087,621,363.12

Finding the Fourth Proportional to 379,702,446,126.76, 523,989,763,444.08 and 206,087,621,363.12

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Solution

The fourth proportional to 379,702,446,126.76, 523,989,763,444.08 and 206,087,621,363.12 is: 284,401,127,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702,446,126.76 : 523,989,763,444.08 = 206,087,621,363.12 : x
  2. Step 2: Convert to fraction form
    379,702,446,126.76/523,989,763,444.08 = 206,087,621,363.12/x
  3. Step 3: Cross multiply
    379,702,446,126.76x = 523,989,763,444.08 × 206,087,621,363.12
  4. Step 4: Simplify right side
    379,702,446,126.76x = 107,987,803,966,814,384,291,840
  5. Step 5: Solve for x
    x = 107,987,803,966,814,384,291,840/379,702,446,126.76
  6. Step 6: Final answer
    x = 284,401,127,957.87

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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.