Home / 723,991,362.99-1,085,997,133.61-206,421,803.46

Finding the Fourth Proportional to 723,991,362.99, 1,085,997,133.61 and 206,421,803.46

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Solution

The fourth proportional to 723,991,362.99, 1,085,997,133.61 and 206,421,803.46 is: 309,635,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,991,362.99 : 1,085,997,133.61 = 206,421,803.46 : x
  2. Step 2: Convert to fraction form
    723,991,362.99/1,085,997,133.61 = 206,421,803.46/x
  3. Step 3: Cross multiply
    723,991,362.99x = 1,085,997,133.61 × 206,421,803.46
  4. Step 4: Simplify right side
    723,991,362.99x = 224,173,486,872,166,752
  5. Step 5: Solve for x
    x = 224,173,486,872,166,752/723,991,362.99
  6. Step 6: Final answer
    x = 309,635,581.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.