Home / 619,488,139.80-928,112,465.70-360,491,352.60

Finding the Fourth Proportional to 619,488,139.80, 928,112,465.70 and 360,491,352.60

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Solution

The fourth proportional to 619,488,139.80, 928,112,465.70 and 360,491,352.60 is: 540,085,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,488,139.80 : 928,112,465.70 = 360,491,352.60 : x
  2. Step 2: Convert to fraction form
    619,488,139.80/928,112,465.70 = 360,491,352.60/x
  3. Step 3: Cross multiply
    619,488,139.80x = 928,112,465.70 × 360,491,352.60
  4. Step 4: Simplify right side
    619,488,139.80x = 334,576,518,125,114,176
  5. Step 5: Solve for x
    x = 334,576,518,125,114,176/619,488,139.80
  6. Step 6: Final answer
    x = 540,085,429.61

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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.