Home / 1,008,907,515.40-1,513,361,273.10-544,002,928.60

Finding the Fourth Proportional to 1,008,907,515.40, 1,513,361,273.10 and 544,002,928.60

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Solution

The fourth proportional to 1,008,907,515.40, 1,513,361,273.10 and 544,002,928.60 is: 816,004,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,515.40 : 1,513,361,273.10 = 544,002,928.60 : x
  2. Step 2: Convert to fraction form
    1,008,907,515.40/1,513,361,273.10 = 544,002,928.60/x
  3. Step 3: Cross multiply
    1,008,907,515.40x = 1,513,361,273.10 × 544,002,928.60
  4. Step 4: Simplify right side
    1,008,907,515.40x = 823,272,964,596,224,384
  5. Step 5: Solve for x
    x = 823,272,964,596,224,384/1,008,907,515.40
  6. Step 6: Final answer
    x = 816,004,392.90

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Double scale
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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.