Home / 1,395,590,511.90-1,925,927,643.51-769,081,418.94

Finding the Fourth Proportional to 1,395,590,511.90, 1,925,927,643.51 and 769,081,418.94

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Solution

The fourth proportional to 1,395,590,511.90, 1,925,927,643.51 and 769,081,418.94 is: 1,061,339,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,590,511.90 : 1,925,927,643.51 = 769,081,418.94 : x
  2. Step 2: Convert to fraction form
    1,395,590,511.90/1,925,927,643.51 = 769,081,418.94/x
  3. Step 3: Cross multiply
    1,395,590,511.90x = 1,925,927,643.51 × 769,081,418.94
  4. Step 4: Simplify right side
    1,395,590,511.90x = 1,481,195,164,846,441,472
  5. Step 5: Solve for x
    x = 1,481,195,164,846,441,472/1,395,590,511.90
  6. Step 6: Final answer
    x = 1,061,339,377.29

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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.