Home / 379,938,355.80-569,907,533.70-358,775,194.20

Finding the Fourth Proportional to 379,938,355.80, 569,907,533.70 and 358,775,194.20

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Solution

The fourth proportional to 379,938,355.80, 569,907,533.70 and 358,775,194.20 is: 538,162,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,938,355.80 : 569,907,533.70 = 358,775,194.20 : x
  2. Step 2: Convert to fraction form
    379,938,355.80/569,907,533.70 = 358,775,194.20/x
  3. Step 3: Cross multiply
    379,938,355.80x = 569,907,533.70 × 358,775,194.20
  4. Step 4: Simplify right side
    379,938,355.80x = 204,468,686,079,260,544
  5. Step 5: Solve for x
    x = 204,468,686,079,260,544/379,938,355.80
  6. Step 6: Final answer
    x = 538,162,791.30

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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.