Home / 1,640,448,252.40-2,460,672,378.60-863,030,729.20

Finding the Fourth Proportional to 1,640,448,252.40, 2,460,672,378.60 and 863,030,729.20

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Solution

The fourth proportional to 1,640,448,252.40, 2,460,672,378.60 and 863,030,729.20 is: 1,294,546,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,448,252.40 : 2,460,672,378.60 = 863,030,729.20 : x
  2. Step 2: Convert to fraction form
    1,640,448,252.40/2,460,672,378.60 = 863,030,729.20/x
  3. Step 3: Cross multiply
    1,640,448,252.40x = 2,460,672,378.60 × 863,030,729.20
  4. Step 4: Simplify right side
    1,640,448,252.40x = 2,123,635,877,225,456,384
  5. Step 5: Solve for x
    x = 2,123,635,877,225,456,384/1,640,448,252.40
  6. Step 6: Final answer
    x = 1,294,546,093.80

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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.