Home / 685,274,429.04-1,026,664,518.96-611,808,025.20

Finding the Fourth Proportional to 685,274,429.04, 1,026,664,518.96 and 611,808,025.20

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Solution

The fourth proportional to 685,274,429.04, 1,026,664,518.96 and 611,808,025.20 is: 916,598,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,274,429.04 : 1,026,664,518.96 = 611,808,025.20 : x
  2. Step 2: Convert to fraction form
    685,274,429.04/1,026,664,518.96 = 611,808,025.20/x
  3. Step 3: Cross multiply
    685,274,429.04x = 1,026,664,518.96 × 611,808,025.20
  4. Step 4: Simplify right side
    685,274,429.04x = 628,121,591,887,825,664
  5. Step 5: Solve for x
    x = 628,121,591,887,825,664/685,274,429.04
  6. Step 6: Final answer
    x = 916,598,614.03

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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.