Home / 519,026,059.81-778,586,395.23-169,182,331.51

Finding the Fourth Proportional to 519,026,059.81, 778,586,395.23 and 169,182,331.51

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Solution

The fourth proportional to 519,026,059.81, 778,586,395.23 and 169,182,331.51 is: 253,788,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,026,059.81 : 778,586,395.23 = 169,182,331.51 : x
  2. Step 2: Convert to fraction form
    519,026,059.81/778,586,395.23 = 169,182,331.51/x
  3. Step 3: Cross multiply
    519,026,059.81x = 778,586,395.23 × 169,182,331.51
  4. Step 4: Simplify right side
    519,026,059.81x = 131,723,061,626,977,744
  5. Step 5: Solve for x
    x = 131,723,061,626,977,744/519,026,059.81
  6. Step 6: Final answer
    x = 253,788,917.03

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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.