Home / 8,122,360,802.76-11,206,178,546.09-4,906,069,020.81

Finding the Fourth Proportional to 8,122,360,802.76, 11,206,178,546.09 and 4,906,069,020.81

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Solution

The fourth proportional to 8,122,360,802.76, 11,206,178,546.09 and 4,906,069,020.81 is: 6,768,756,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,360,802.76 : 11,206,178,546.09 = 4,906,069,020.81 : x
  2. Step 2: Convert to fraction form
    8,122,360,802.76/11,206,178,546.09 = 4,906,069,020.81/x
  3. Step 3: Cross multiply
    8,122,360,802.76x = 11,206,178,546.09 × 4,906,069,020.81
  4. Step 4: Simplify right side
    8,122,360,802.76x = 54,978,285,406,613,266,432
  5. Step 5: Solve for x
    x = 54,978,285,406,613,266,432/8,122,360,802.76
  6. Step 6: Final answer
    x = 6,768,756,860.44

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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.