Home / 302,172,014.40-453,258,021.60-276,977,774.40

Finding the Fourth Proportional to 302,172,014.40, 453,258,021.60 and 276,977,774.40

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Solution

The fourth proportional to 302,172,014.40, 453,258,021.60 and 276,977,774.40 is: 415,466,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,172,014.40 : 453,258,021.60 = 276,977,774.40 : x
  2. Step 2: Convert to fraction form
    302,172,014.40/453,258,021.60 = 276,977,774.40/x
  3. Step 3: Cross multiply
    302,172,014.40x = 453,258,021.60 × 276,977,774.40
  4. Step 4: Simplify right side
    302,172,014.40x = 125,542,398,051,715,120
  5. Step 5: Solve for x
    x = 125,542,398,051,715,120/302,172,014.40
  6. Step 6: Final answer
    x = 415,466,661.60

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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.