Home / 15,545,567,602,828-21,453,557,647,570-8,608,805,828,155

Finding the Fourth Proportional to 15,545,567,602,828, 21,453,557,647,570 and 8,608,805,828,155

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Solution

The fourth proportional to 15,545,567,602,828, 21,453,557,647,570 and 8,608,805,828,155 is: 11,880,525,486,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545,567,602,828 : 21,453,557,647,570 = 8,608,805,828,155 : x
  2. Step 2: Convert to fraction form
    15,545,567,602,828/21,453,557,647,570 = 8,608,805,828,155/x
  3. Step 3: Cross multiply
    15,545,567,602,828x = 21,453,557,647,570 × 8,608,805,828,155
  4. Step 4: Simplify right side
    15,545,567,602,828x = 184,689,512,111,059,888,509,026,304
  5. Step 5: Solve for x
    x = 184,689,512,111,059,888,509,026,304/15,545,567,602,828
  6. Step 6: Final answer
    x = 11,880,525,486,728.56

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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.