Home / 11,816,144,784.63-16,306,668,735.77-6,463,582,653.69

Finding the Fourth Proportional to 11,816,144,784.63, 16,306,668,735.77 and 6,463,582,653.69

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Solution

The fourth proportional to 11,816,144,784.63, 16,306,668,735.77 and 6,463,582,653.69 is: 8,919,956,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816,144,784.63 : 16,306,668,735.77 = 6,463,582,653.69 : x
  2. Step 2: Convert to fraction form
    11,816,144,784.63/16,306,668,735.77 = 6,463,582,653.69/x
  3. Step 3: Cross multiply
    11,816,144,784.63x = 16,306,668,735.77 × 6,463,582,653.69
  4. Step 4: Simplify right side
    11,816,144,784.63x = 105,399,501,180,004,925,440
  5. Step 5: Solve for x
    x = 105,399,501,180,004,925,440/11,816,144,784.63
  6. Step 6: Final answer
    x = 8,919,956,813.42

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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.