Home / 79,405,890,367.40-119,108,835,551.10-70,727,671,413.80

Finding the Fourth Proportional to 79,405,890,367.40, 119,108,835,551.10 and 70,727,671,413.80

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Solution

The fourth proportional to 79,405,890,367.40, 119,108,835,551.10 and 70,727,671,413.80 is: 106,091,507,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,405,890,367.40 : 119,108,835,551.10 = 70,727,671,413.80 : x
  2. Step 2: Convert to fraction form
    79,405,890,367.40/119,108,835,551.10 = 70,727,671,413.80/x
  3. Step 3: Cross multiply
    79,405,890,367.40x = 119,108,835,551.10 × 70,727,671,413.80
  4. Step 4: Simplify right side
    79,405,890,367.40x = 8,424,290,583,338,541,907,968
  5. Step 5: Solve for x
    x = 8,424,290,583,338,541,907,968/79,405,890,367.40
  6. Step 6: Final answer
    x = 106,091,507,120.70

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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.