Home / 347,736,745.20-521,605,117.80-186,493,609.20

Finding the Fourth Proportional to 347,736,745.20, 521,605,117.80 and 186,493,609.20

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Solution

The fourth proportional to 347,736,745.20, 521,605,117.80 and 186,493,609.20 is: 279,740,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,745.20 : 521,605,117.80 = 186,493,609.20 : x
  2. Step 2: Convert to fraction form
    347,736,745.20/521,605,117.80 = 186,493,609.20/x
  3. Step 3: Cross multiply
    347,736,745.20x = 521,605,117.80 × 186,493,609.20
  4. Step 4: Simplify right side
    347,736,745.20x = 97,276,020,995,713,152
  5. Step 5: Solve for x
    x = 97,276,020,995,713,152/347,736,745.20
  6. Step 6: Final answer
    x = 279,740,413.80

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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.