Home / 1,395,590,508.40-1,925,927,638.68-769,081,415.44

Finding the Fourth Proportional to 1,395,590,508.40, 1,925,927,638.68 and 769,081,415.44

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Solution

The fourth proportional to 1,395,590,508.40, 1,925,927,638.68 and 769,081,415.44 is: 1,061,339,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,590,508.40 : 1,925,927,638.68 = 769,081,415.44 : x
  2. Step 2: Convert to fraction form
    1,395,590,508.40/1,925,927,638.68 = 769,081,415.44/x
  3. Step 3: Cross multiply
    1,395,590,508.40x = 1,925,927,638.68 × 769,081,415.44
  4. Step 4: Simplify right side
    1,395,590,508.40x = 1,481,195,154,391,031,552
  5. Step 5: Solve for x
    x = 1,481,195,154,391,031,552/1,395,590,508.40
  6. Step 6: Final answer
    x = 1,061,339,372.46

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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.