Home / 15,589,743,000.85-21,514,268,368.65-8,816,574,433.98

Finding the Fourth Proportional to 15,589,743,000.85, 21,514,268,368.65 and 8,816,574,433.98

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Solution

The fourth proportional to 15,589,743,000.85, 21,514,268,368.65 and 8,816,574,433.98 is: 12,167,111,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589,743,000.85 : 21,514,268,368.65 = 8,816,574,433.98 : x
  2. Step 2: Convert to fraction form
    15,589,743,000.85/21,514,268,368.65 = 8,816,574,433.98/x
  3. Step 3: Cross multiply
    15,589,743,000.85x = 21,514,268,368.65 × 8,816,574,433.98
  4. Step 4: Simplify right side
    15,589,743,000.85x = 189,682,148,464,824,188,928
  5. Step 5: Solve for x
    x = 189,682,148,464,824,188,928/15,589,743,000.85
  6. Step 6: Final answer
    x = 12,167,111,956.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.