Home / 1,149,623,238.82-1,586,480,764.61-620,987,458.44

Finding the Fourth Proportional to 1,149,623,238.82, 1,586,480,764.61 and 620,987,458.44

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Solution

The fourth proportional to 1,149,623,238.82, 1,586,480,764.61 and 620,987,458.44 is: 856,963,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,623,238.82 : 1,586,480,764.61 = 620,987,458.44 : x
  2. Step 2: Convert to fraction form
    1,149,623,238.82/1,586,480,764.61 = 620,987,458.44/x
  3. Step 3: Cross multiply
    1,149,623,238.82x = 1,586,480,764.61 × 620,987,458.44
  4. Step 4: Simplify right side
    1,149,623,238.82x = 985,184,657,879,111,808
  5. Step 5: Solve for x
    x = 985,184,657,879,111,808/1,149,623,238.82
  6. Step 6: Final answer
    x = 856,963,068.08

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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.