Home / 1,580,550,391-2,181,159,539.58-885,189,367

Finding the Fourth Proportional to 1,580,550,391, 2,181,159,539.58 and 885,189,367

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Solution

The fourth proportional to 1,580,550,391, 2,181,159,539.58 and 885,189,367 is: 1,221,561,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,550,391 : 2,181,159,539.58 = 885,189,367 : x
  2. Step 2: Convert to fraction form
    1,580,550,391/2,181,159,539.58 = 885,189,367/x
  3. Step 3: Cross multiply
    1,580,550,391x = 2,181,159,539.58 × 885,189,367
  4. Step 4: Simplify right side
    1,580,550,391x = 1,930,739,232,166,831,616
  5. Step 5: Solve for x
    x = 1,930,739,232,166,831,616/1,580,550,391
  6. Step 6: Final answer
    x = 1,221,561,326.46

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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.