Home / 3,476,891,980.89-5,215,370,254.43-989,752,821.63

Finding the Fourth Proportional to 3,476,891,980.89, 5,215,370,254.43 and 989,752,821.63

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Solution

The fourth proportional to 3,476,891,980.89, 5,215,370,254.43 and 989,752,821.63 is: 1,484,638,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,891,980.89 : 5,215,370,254.43 = 989,752,821.63 : x
  2. Step 2: Convert to fraction form
    3,476,891,980.89/5,215,370,254.43 = 989,752,821.63/x
  3. Step 3: Cross multiply
    3,476,891,980.89x = 5,215,370,254.43 × 989,752,821.63
  4. Step 4: Simplify right side
    3,476,891,980.89x = 5,161,927,425,162,314,752
  5. Step 5: Solve for x
    x = 5,161,927,425,162,314,752/3,476,891,980.89
  6. Step 6: Final answer
    x = 1,484,638,422.34

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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.