Home / 11,358,428,153.88-15,666,501,617.64-7,972,093,071.12

Finding the Fourth Proportional to 11,358,428,153.88, 15,666,501,617.64 and 7,972,093,071.12

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Solution

The fourth proportional to 11,358,428,153.88, 15,666,501,617.64 and 7,972,093,071.12 is: 10,995,782,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358,428,153.88 : 15,666,501,617.64 = 7,972,093,071.12 : x
  2. Step 2: Convert to fraction form
    11,358,428,153.88/15,666,501,617.64 = 7,972,093,071.12/x
  3. Step 3: Cross multiply
    11,358,428,153.88x = 15,666,501,617.64 × 7,972,093,071.12
  4. Step 4: Simplify right side
    11,358,428,153.88x = 124,894,808,994,678,112,256
  5. Step 5: Solve for x
    x = 124,894,808,994,678,112,256/11,358,428,153.88
  6. Step 6: Final answer
    x = 10,995,782,805.74

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Double scale
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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.