Home / 809,589,615.16-1,214,384,597.70-292,020,012.58

Finding the Fourth Proportional to 809,589,615.16, 1,214,384,597.70 and 292,020,012.58

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Solution

The fourth proportional to 809,589,615.16, 1,214,384,597.70 and 292,020,012.58 is: 438,030,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,589,615.16 : 1,214,384,597.70 = 292,020,012.58 : x
  2. Step 2: Convert to fraction form
    809,589,615.16/1,214,384,597.70 = 292,020,012.58/x
  3. Step 3: Cross multiply
    809,589,615.16x = 1,214,384,597.70 × 292,020,012.58
  4. Step 4: Simplify right side
    809,589,615.16x = 354,624,605,497,312,256
  5. Step 5: Solve for x
    x = 354,624,605,497,312,256/809,589,615.16
  6. Step 6: Final answer
    x = 438,030,081.98

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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.