Home / 556,938,578.94-768,530,179.35-322,004,312.70

Finding the Fourth Proportional to 556,938,578.94, 768,530,179.35 and 322,004,312.70

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Solution

The fourth proportional to 556,938,578.94, 768,530,179.35 and 322,004,312.70 is: 444,339,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,938,578.94 : 768,530,179.35 = 322,004,312.70 : x
  2. Step 2: Convert to fraction form
    556,938,578.94/768,530,179.35 = 322,004,312.70/x
  3. Step 3: Cross multiply
    556,938,578.94x = 768,530,179.35 × 322,004,312.70
  4. Step 4: Simplify right side
    556,938,578.94x = 247,470,032,190,804,480
  5. Step 5: Solve for x
    x = 247,470,032,190,804,480/556,938,578.94
  6. Step 6: Final answer
    x = 444,339,899.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.