Home / 345,561,191.05-518,341,786.58-345,561,191.05

Finding the Fourth Proportional to 345,561,191.05, 518,341,786.58 and 345,561,191.05

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Solution

The fourth proportional to 345,561,191.05, 518,341,786.58 and 345,561,191.05 is: 518,341,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,561,191.05 : 518,341,786.58 = 345,561,191.05 : x
  2. Step 2: Convert to fraction form
    345,561,191.05/518,341,786.58 = 345,561,191.05/x
  3. Step 3: Cross multiply
    345,561,191.05x = 518,341,786.58 × 345,561,191.05
  4. Step 4: Simplify right side
    345,561,191.05x = 179,118,805,139,841,888
  5. Step 5: Solve for x
    x = 179,118,805,139,841,888/345,561,191.05
  6. Step 6: Final answer
    x = 518,341,786.58

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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.