Home / 355,289,466.03-490,266,559.79-196,516,171.74

Finding the Fourth Proportional to 355,289,466.03, 490,266,559.79 and 196,516,171.74

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Solution

The fourth proportional to 355,289,466.03, 490,266,559.79 and 196,516,171.74 is: 271,174,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,289,466.03 : 490,266,559.79 = 196,516,171.74 : x
  2. Step 2: Convert to fraction form
    355,289,466.03/490,266,559.79 = 196,516,171.74/x
  3. Step 3: Cross multiply
    355,289,466.03x = 490,266,559.79 × 196,516,171.74
  4. Step 4: Simplify right side
    355,289,466.03x = 96,345,307,460,844,960
  5. Step 5: Solve for x
    x = 96,345,307,460,844,960/355,289,466.03
  6. Step 6: Final answer
    x = 271,174,117.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.