Home / 393,635,363.80-590,453,045.70-189,114,122.20

Finding the Fourth Proportional to 393,635,363.80, 590,453,045.70 and 189,114,122.20

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Solution

The fourth proportional to 393,635,363.80, 590,453,045.70 and 189,114,122.20 is: 283,671,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,635,363.80 : 590,453,045.70 = 189,114,122.20 : x
  2. Step 2: Convert to fraction form
    393,635,363.80/590,453,045.70 = 189,114,122.20/x
  3. Step 3: Cross multiply
    393,635,363.80x = 590,453,045.70 × 189,114,122.20
  4. Step 4: Simplify right side
    393,635,363.80x = 111,663,009,437,871,984
  5. Step 5: Solve for x
    x = 111,663,009,437,871,984/393,635,363.80
  6. Step 6: Final answer
    x = 283,671,183.30

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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.