Home / 392,745,413.07-589,121,072.70-174,337,038.57

Finding the Fourth Proportional to 392,745,413.07, 589,121,072.70 and 174,337,038.57

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Solution

The fourth proportional to 392,745,413.07, 589,121,072.70 and 174,337,038.57 is: 261,506,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,745,413.07 : 589,121,072.70 = 174,337,038.57 : x
  2. Step 2: Convert to fraction form
    392,745,413.07/589,121,072.70 = 174,337,038.57/x
  3. Step 3: Cross multiply
    392,745,413.07x = 589,121,072.70 × 174,337,038.57
  4. Step 4: Simplify right side
    392,745,413.07x = 102,705,623,173,699,680
  5. Step 5: Solve for x
    x = 102,705,623,173,699,680/392,745,413.07
  6. Step 6: Final answer
    x = 261,506,868.71

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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.