Home / 394,581,075.84-592,003,059.12-132,291,581.04

Finding the Fourth Proportional to 394,581,075.84, 592,003,059.12 and 132,291,581.04

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Solution

The fourth proportional to 394,581,075.84, 592,003,059.12 and 132,291,581.04 is: 198,481,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,581,075.84 : 592,003,059.12 = 132,291,581.04 : x
  2. Step 2: Convert to fraction form
    394,581,075.84/592,003,059.12 = 132,291,581.04/x
  3. Step 3: Cross multiply
    394,581,075.84x = 592,003,059.12 × 132,291,581.04
  4. Step 4: Simplify right side
    394,581,075.84x = 78,317,020,671,501,392
  5. Step 5: Solve for x
    x = 78,317,020,671,501,392/394,581,075.84
  6. Step 6: Final answer
    x = 198,481,441.37

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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.