Home / 408,149,604,413.80-612,224,406,620.70-172,597,947,101.80

Finding the Fourth Proportional to 408,149,604,413.80, 612,224,406,620.70 and 172,597,947,101.80

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Solution

The fourth proportional to 408,149,604,413.80, 612,224,406,620.70 and 172,597,947,101.80 is: 258,896,920,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,149,604,413.80 : 612,224,406,620.70 = 172,597,947,101.80 : x
  2. Step 2: Convert to fraction form
    408,149,604,413.80/612,224,406,620.70 = 172,597,947,101.80/x
  3. Step 3: Cross multiply
    408,149,604,413.80x = 612,224,406,620.70 × 172,597,947,101.80
  4. Step 4: Simplify right side
    408,149,604,413.80x = 105,668,675,748,350,455,185,408
  5. Step 5: Solve for x
    x = 105,668,675,748,350,455,185,408/408,149,604,413.80
  6. Step 6: Final answer
    x = 258,896,920,652.70

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1.5x scale

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.