Home / 581,529,315.75-872,301,571.57-193,352,146.11

Finding the Fourth Proportional to 581,529,315.75, 872,301,571.57 and 193,352,146.11

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Solution

The fourth proportional to 581,529,315.75, 872,301,571.57 and 193,352,146.11 is: 290,030,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,529,315.75 : 872,301,571.57 = 193,352,146.11 : x
  2. Step 2: Convert to fraction form
    581,529,315.75/872,301,571.57 = 193,352,146.11/x
  3. Step 3: Cross multiply
    581,529,315.75x = 872,301,571.57 × 193,352,146.11
  4. Step 4: Simplify right side
    581,529,315.75x = 168,661,380,917,701,888
  5. Step 5: Solve for x
    x = 168,661,380,917,701,888/581,529,315.75
  6. Step 6: Final answer
    x = 290,030,745.40

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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.