Home / 661,609,929.70-992,414,894.55-273,303,705.70

Finding the Fourth Proportional to 661,609,929.70, 992,414,894.55 and 273,303,705.70

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Solution

The fourth proportional to 661,609,929.70, 992,414,894.55 and 273,303,705.70 is: 409,955,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,609,929.70 : 992,414,894.55 = 273,303,705.70 : x
  2. Step 2: Convert to fraction form
    661,609,929.70/992,414,894.55 = 273,303,705.70/x
  3. Step 3: Cross multiply
    661,609,929.70x = 992,414,894.55 × 273,303,705.70
  4. Step 4: Simplify right side
    661,609,929.70x = 271,230,668,272,389,696
  5. Step 5: Solve for x
    x = 271,230,668,272,389,696/661,609,929.70
  6. Step 6: Final answer
    x = 409,955,558.55

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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.