Home / 12,115,807,523.80-18,173,711,285.70-5,585,460,515.80

Finding the Fourth Proportional to 12,115,807,523.80, 18,173,711,285.70 and 5,585,460,515.80

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Solution

The fourth proportional to 12,115,807,523.80, 18,173,711,285.70 and 5,585,460,515.80 is: 8,378,190,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,807,523.80 : 18,173,711,285.70 = 5,585,460,515.80 : x
  2. Step 2: Convert to fraction form
    12,115,807,523.80/18,173,711,285.70 = 5,585,460,515.80/x
  3. Step 3: Cross multiply
    12,115,807,523.80x = 18,173,711,285.70 × 5,585,460,515.80
  4. Step 4: Simplify right side
    12,115,807,523.80x = 101,508,546,811,826,208,768
  5. Step 5: Solve for x
    x = 101,508,546,811,826,208,768/12,115,807,523.80
  6. Step 6: Final answer
    x = 8,378,190,773.70

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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.