Home / 1,778,118,413.80-2,667,177,620.70-1,678,349,223.40

Finding the Fourth Proportional to 1,778,118,413.80, 2,667,177,620.70 and 1,678,349,223.40

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Solution

The fourth proportional to 1,778,118,413.80, 2,667,177,620.70 and 1,678,349,223.40 is: 2,517,523,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,118,413.80 : 2,667,177,620.70 = 1,678,349,223.40 : x
  2. Step 2: Convert to fraction form
    1,778,118,413.80/2,667,177,620.70 = 1,678,349,223.40/x
  3. Step 3: Cross multiply
    1,778,118,413.80x = 2,667,177,620.70 × 1,678,349,223.40
  4. Step 4: Simplify right side
    1,778,118,413.80x = 4,476,455,488,371,704,832
  5. Step 5: Solve for x
    x = 4,476,455,488,371,704,832/1,778,118,413.80
  6. Step 6: Final answer
    x = 2,517,523,835.10

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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.