Home / 13,014,189,979.14-17,958,327,240.09-7,298,706,437.94

Finding the Fourth Proportional to 13,014,189,979.14, 17,958,327,240.09 and 7,298,706,437.94

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Solution

The fourth proportional to 13,014,189,979.14, 17,958,327,240.09 and 7,298,706,437.94 is: 10,071,511,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,189,979.14 : 17,958,327,240.09 = 7,298,706,437.94 : x
  2. Step 2: Convert to fraction form
    13,014,189,979.14/17,958,327,240.09 = 7,298,706,437.94/x
  3. Step 3: Cross multiply
    13,014,189,979.14x = 17,958,327,240.09 × 7,298,706,437.94
  4. Step 4: Simplify right side
    13,014,189,979.14x = 131,072,558,641,878,155,264
  5. Step 5: Solve for x
    x = 131,072,558,641,878,155,264/13,014,189,979.14
  6. Step 6: Final answer
    x = 10,071,511,085.36

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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.