Home / 446,178,413.80-669,267,620.70-429,172,301.80

Finding the Fourth Proportional to 446,178,413.80, 669,267,620.70 and 429,172,301.80

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Solution

The fourth proportional to 446,178,413.80, 669,267,620.70 and 429,172,301.80 is: 643,758,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,178,413.80 : 669,267,620.70 = 429,172,301.80 : x
  2. Step 2: Convert to fraction form
    446,178,413.80/669,267,620.70 = 429,172,301.80/x
  3. Step 3: Cross multiply
    446,178,413.80x = 669,267,620.70 × 429,172,301.80
  4. Step 4: Simplify right side
    446,178,413.80x = 287,231,125,296,028,352
  5. Step 5: Solve for x
    x = 287,231,125,296,028,352/446,178,413.80
  6. Step 6: Final answer
    x = 643,758,452.70

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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.