Home / 499,880,219,964.85-689,822,970,027.29-294,127,786,132.43

Finding the Fourth Proportional to 499,880,219,964.85, 689,822,970,027.29 and 294,127,786,132.43

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Solution

The fourth proportional to 499,880,219,964.85, 689,822,970,027.29 and 294,127,786,132.43 is: 405,889,440,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,880,219,964.85 : 689,822,970,027.29 = 294,127,786,132.43 : x
  2. Step 2: Convert to fraction form
    499,880,219,964.85/689,822,970,027.29 = 294,127,786,132.43/x
  3. Step 3: Cross multiply
    499,880,219,964.85x = 689,822,970,027.29 × 294,127,786,132.43
  4. Step 4: Simplify right side
    499,880,219,964.85x = 202,896,102,997,424,426,975,232
  5. Step 5: Solve for x
    x = 202,896,102,997,424,426,975,232/499,880,219,964.85
  6. Step 6: Final answer
    x = 405,889,440,897.84

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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.