Home / 992,285,342.19-1,488,314,440.93-265,330,741.23

Finding the Fourth Proportional to 992,285,342.19, 1,488,314,440.93 and 265,330,741.23

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Solution

The fourth proportional to 992,285,342.19, 1,488,314,440.93 and 265,330,741.23 is: 397,965,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,285,342.19 : 1,488,314,440.93 = 265,330,741.23 : x
  2. Step 2: Convert to fraction form
    992,285,342.19/1,488,314,440.93 = 265,330,741.23/x
  3. Step 3: Cross multiply
    992,285,342.19x = 1,488,314,440.93 × 265,330,741.23
  4. Step 4: Simplify right side
    992,285,342.19x = 394,895,573,795,269,952
  5. Step 5: Solve for x
    x = 394,895,573,795,269,952/992,285,342.19
  6. Step 6: Final answer
    x = 397,965,743.33

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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.