Home / 43,879,968,012.80-65,819,952,019.20-43,009,255,078.40

Finding the Fourth Proportional to 43,879,968,012.80, 65,819,952,019.20 and 43,009,255,078.40

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Solution

The fourth proportional to 43,879,968,012.80, 65,819,952,019.20 and 43,009,255,078.40 is: 64,513,882,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,879,968,012.80 : 65,819,952,019.20 = 43,009,255,078.40 : x
  2. Step 2: Convert to fraction form
    43,879,968,012.80/65,819,952,019.20 = 43,009,255,078.40/x
  3. Step 3: Cross multiply
    43,879,968,012.80x = 65,819,952,019.20 × 43,009,255,078.40
  4. Step 4: Simplify right side
    43,879,968,012.80x = 2,830,867,105,641,821,896,704
  5. Step 5: Solve for x
    x = 2,830,867,105,641,821,896,704/43,879,968,012.80
  6. Step 6: Final answer
    x = 64,513,882,617.60

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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.