Home / 447,975,413.72-618,208,713.24-259,915,684.40

Finding the Fourth Proportional to 447,975,413.72, 618,208,713.24 and 259,915,684.40

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Solution

The fourth proportional to 447,975,413.72, 618,208,713.24 and 259,915,684.40 is: 358,685,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,975,413.72 : 618,208,713.24 = 259,915,684.40 : x
  2. Step 2: Convert to fraction form
    447,975,413.72/618,208,713.24 = 259,915,684.40/x
  3. Step 3: Cross multiply
    447,975,413.72x = 618,208,713.24 × 259,915,684.40
  4. Step 4: Simplify right side
    447,975,413.72x = 160,682,140,803,817,952
  5. Step 5: Solve for x
    x = 160,682,140,803,817,952/447,975,413.72
  6. Step 6: Final answer
    x = 358,685,177.54

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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.