Home / 15,589,743,153.66-21,514,268,579.67-8,816,574,586.77

Finding the Fourth Proportional to 15,589,743,153.66, 21,514,268,579.67 and 8,816,574,586.77

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Solution

The fourth proportional to 15,589,743,153.66, 21,514,268,579.67 and 8,816,574,586.77 is: 12,167,112,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589,743,153.66 : 21,514,268,579.67 = 8,816,574,586.77 : x
  2. Step 2: Convert to fraction form
    15,589,743,153.66/21,514,268,579.67 = 8,816,574,586.77/x
  3. Step 3: Cross multiply
    15,589,743,153.66x = 21,514,268,579.67 × 8,816,574,586.77
  4. Step 4: Simplify right side
    15,589,743,153.66x = 189,682,153,612,462,817,280
  5. Step 5: Solve for x
    x = 189,682,153,612,462,817,280/15,589,743,153.66
  6. Step 6: Final answer
    x = 12,167,112,167.46

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Double scale
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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.