Home / 1,678,873,525.98-2,516,983,378.50-838,084,755.95

Finding the Fourth Proportional to 1,678,873,525.98, 2,516,983,378.50 and 838,084,755.95

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Solution

The fourth proportional to 1,678,873,525.98, 2,516,983,378.50 and 838,084,755.95 is: 1,256,464,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,873,525.98 : 2,516,983,378.50 = 838,084,755.95 : x
  2. Step 2: Convert to fraction form
    1,678,873,525.98/2,516,983,378.50 = 838,084,755.95/x
  3. Step 3: Cross multiply
    1,678,873,525.98x = 2,516,983,378.50 × 838,084,755.95
  4. Step 4: Simplify right side
    1,678,873,525.98x = 2,109,445,400,500,379,136
  5. Step 5: Solve for x
    x = 2,109,445,400,500,379,136/1,678,873,525.98
  6. Step 6: Final answer
    x = 1,256,464,747.26

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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.