Home / 456,915,105.44-685,764,014.40-453,475,851.68

Finding the Fourth Proportional to 456,915,105.44, 685,764,014.40 and 453,475,851.68

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Solution

The fourth proportional to 456,915,105.44, 685,764,014.40 and 453,475,851.68 is: 680,602,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,915,105.44 : 685,764,014.40 = 453,475,851.68 : x
  2. Step 2: Convert to fraction form
    456,915,105.44/685,764,014.40 = 453,475,851.68/x
  3. Step 3: Cross multiply
    456,915,105.44x = 685,764,014.40 × 453,475,851.68
  4. Step 4: Simplify right side
    456,915,105.44x = 310,977,420,481,535,808
  5. Step 5: Solve for x
    x = 310,977,420,481,535,808/456,915,105.44
  6. Step 6: Final answer
    x = 680,602,187.98

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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.