Home / 19,379,082,228.54-26,748,109,297.72-12,621,739,497.60

Finding the Fourth Proportional to 19,379,082,228.54, 26,748,109,297.72 and 12,621,739,497.60

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Solution

The fourth proportional to 19,379,082,228.54, 26,748,109,297.72 and 12,621,739,497.60 is: 17,421,241,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379,082,228.54 : 26,748,109,297.72 = 12,621,739,497.60 : x
  2. Step 2: Convert to fraction form
    19,379,082,228.54/26,748,109,297.72 = 12,621,739,497.60/x
  3. Step 3: Cross multiply
    19,379,082,228.54x = 26,748,109,297.72 × 12,621,739,497.60
  4. Step 4: Simplify right side
    19,379,082,228.54x = 337,607,667,609,154,355,200
  5. Step 5: Solve for x
    x = 337,607,667,609,154,355,200/19,379,082,228.54
  6. Step 6: Final answer
    x = 17,421,241,296.55

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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.