Home / 405,068,095.68-558,995,684.88-219,429,111.36

Finding the Fourth Proportional to 405,068,095.68, 558,995,684.88 and 219,429,111.36

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Solution

The fourth proportional to 405,068,095.68, 558,995,684.88 and 219,429,111.36 is: 302,813,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,068,095.68 : 558,995,684.88 = 219,429,111.36 : x
  2. Step 2: Convert to fraction form
    405,068,095.68/558,995,684.88 = 219,429,111.36/x
  3. Step 3: Cross multiply
    405,068,095.68x = 558,995,684.88 × 219,429,111.36
  4. Step 4: Simplify right side
    405,068,095.68x = 122,659,926,387,292,992
  5. Step 5: Solve for x
    x = 122,659,926,387,292,992/405,068,095.68
  6. Step 6: Final answer
    x = 302,813,101.54

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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.