Home / 369,899,196.20-510,456,822.66-200,349,215.80

Finding the Fourth Proportional to 369,899,196.20, 510,456,822.66 and 200,349,215.80

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Solution

The fourth proportional to 369,899,196.20, 510,456,822.66 and 200,349,215.80 is: 276,479,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,899,196.20 : 510,456,822.66 = 200,349,215.80 : x
  2. Step 2: Convert to fraction form
    369,899,196.20/510,456,822.66 = 200,349,215.80/x
  3. Step 3: Cross multiply
    369,899,196.20x = 510,456,822.66 × 200,349,215.80
  4. Step 4: Simplify right side
    369,899,196.20x = 102,269,624,119,690,688
  5. Step 5: Solve for x
    x = 102,269,624,119,690,688/369,899,196.20
  6. Step 6: Final answer
    x = 276,479,714.39

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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.