Home / 19,641,601,918.89-27,105,421,521.57-10,609,359,978.33

Finding the Fourth Proportional to 19,641,601,918.89, 27,105,421,521.57 and 10,609,359,978.33

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Solution

The fourth proportional to 19,641,601,918.89, 27,105,421,521.57 and 10,609,359,978.33 is: 14,640,922,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641,601,918.89 : 27,105,421,521.57 = 10,609,359,978.33 : x
  2. Step 2: Convert to fraction form
    19,641,601,918.89/27,105,421,521.57 = 10,609,359,978.33/x
  3. Step 3: Cross multiply
    19,641,601,918.89x = 27,105,421,521.57 × 10,609,359,978.33
  4. Step 4: Simplify right side
    19,641,601,918.89x = 287,571,174,286,709,391,360
  5. Step 5: Solve for x
    x = 287,571,174,286,709,391,360/19,641,601,918.89
  6. Step 6: Final answer
    x = 14,640,922,643.39

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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.