Home / 9,945,640,522.78-13,724,914,100.75-5,429,519,575.28

Finding the Fourth Proportional to 9,945,640,522.78, 13,724,914,100.75 and 5,429,519,575.28

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Solution

The fourth proportional to 9,945,640,522.78, 13,724,914,100.75 and 5,429,519,575.28 is: 7,492,698,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945,640,522.78 : 13,724,914,100.75 = 5,429,519,575.28 : x
  2. Step 2: Convert to fraction form
    9,945,640,522.78/13,724,914,100.75 = 5,429,519,575.28/x
  3. Step 3: Cross multiply
    9,945,640,522.78x = 13,724,914,100.75 × 5,429,519,575.28
  4. Step 4: Simplify right side
    9,945,640,522.78x = 74,519,689,779,058,622,464
  5. Step 5: Solve for x
    x = 74,519,689,779,058,622,464/9,945,640,522.78
  6. Step 6: Final answer
    x = 7,492,698,897.41

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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.