Home / 501,903,195.93-692,411,563.31-313,404,238.94

Finding the Fourth Proportional to 501,903,195.93, 692,411,563.31 and 313,404,238.94

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Solution

The fourth proportional to 501,903,195.93, 692,411,563.31 and 313,404,238.94 is: 432,363,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,903,195.93 : 692,411,563.31 = 313,404,238.94 : x
  2. Step 2: Convert to fraction form
    501,903,195.93/692,411,563.31 = 313,404,238.94/x
  3. Step 3: Cross multiply
    501,903,195.93x = 692,411,563.31 × 313,404,238.94
  4. Step 4: Simplify right side
    501,903,195.93x = 217,004,719,027,397,088
  5. Step 5: Solve for x
    x = 217,004,719,027,397,088/501,903,195.93
  6. Step 6: Final answer
    x = 432,363,692.42

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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.