Home / 456,263,485.20-684,395,227.80-440,139,171.60

Finding the Fourth Proportional to 456,263,485.20, 684,395,227.80 and 440,139,171.60

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Solution

The fourth proportional to 456,263,485.20, 684,395,227.80 and 440,139,171.60 is: 660,208,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,263,485.20 : 684,395,227.80 = 440,139,171.60 : x
  2. Step 2: Convert to fraction form
    456,263,485.20/684,395,227.80 = 440,139,171.60/x
  3. Step 3: Cross multiply
    456,263,485.20x = 684,395,227.80 × 440,139,171.60
  4. Step 4: Simplify right side
    456,263,485.20x = 301,229,148,610,885,312
  5. Step 5: Solve for x
    x = 301,229,148,610,885,312/456,263,485.20
  6. Step 6: Final answer
    x = 660,208,757.40

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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.