Home / 1,078,166,782.80-1,618,311,857.40-533,523,301.20

Finding the Fourth Proportional to 1,078,166,782.80, 1,618,311,857.40 and 533,523,301.20

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Solution

The fourth proportional to 1,078,166,782.80, 1,618,311,857.40 and 533,523,301.20 is: 800,810,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,166,782.80 : 1,618,311,857.40 = 533,523,301.20 : x
  2. Step 2: Convert to fraction form
    1,078,166,782.80/1,618,311,857.40 = 533,523,301.20/x
  3. Step 3: Cross multiply
    1,078,166,782.80x = 1,618,311,857.40 × 533,523,301.20
  4. Step 4: Simplify right side
    1,078,166,782.80x = 863,407,084,531,151,744
  5. Step 5: Solve for x
    x = 863,407,084,531,151,744/1,078,166,782.80
  6. Step 6: Final answer
    x = 800,810,318.32

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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.