Home / 12,904,521,838.09-19,358,851,313.43-5,444,203,515.08

Finding the Fourth Proportional to 12,904,521,838.09, 19,358,851,313.43 and 5,444,203,515.08

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Solution

The fourth proportional to 12,904,521,838.09, 19,358,851,313.43 and 5,444,203,515.08 is: 8,167,177,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,521,838.09 : 19,358,851,313.43 = 5,444,203,515.08 : x
  2. Step 2: Convert to fraction form
    12,904,521,838.09/19,358,851,313.43 = 5,444,203,515.08/x
  3. Step 3: Cross multiply
    12,904,521,838.09x = 19,358,851,313.43 × 5,444,203,515.08
  4. Step 4: Simplify right side
    12,904,521,838.09x = 105,393,526,368,389,890,048
  5. Step 5: Solve for x
    x = 105,393,526,368,389,890,048/12,904,521,838.09
  6. Step 6: Final answer
    x = 8,167,177,962.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.