Home / 13,316,263,554.79-18,376,297,409.34-7,212,464,260.14

Finding the Fourth Proportional to 13,316,263,554.79, 18,376,297,409.34 and 7,212,464,260.14

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Solution

The fourth proportional to 13,316,263,554.79, 18,376,297,409.34 and 7,212,464,260.14 is: 9,953,121,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,263,554.79 : 18,376,297,409.34 = 7,212,464,260.14 : x
  2. Step 2: Convert to fraction form
    13,316,263,554.79/18,376,297,409.34 = 7,212,464,260.14/x
  3. Step 3: Cross multiply
    13,316,263,554.79x = 18,376,297,409.34 × 7,212,464,260.14
  4. Step 4: Simplify right side
    13,316,263,554.79x = 132,538,388,298,531,962,880
  5. Step 5: Solve for x
    x = 132,538,388,298,531,962,880/13,316,263,554.79
  6. Step 6: Final answer
    x = 9,953,121,440.80

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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.