Home / 619,488,119.80-928,112,435.70-360,491,332.60

Finding the Fourth Proportional to 619,488,119.80, 928,112,435.70 and 360,491,332.60

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Solution

The fourth proportional to 619,488,119.80, 928,112,435.70 and 360,491,332.60 is: 540,085,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,488,119.80 : 928,112,435.70 = 360,491,332.60 : x
  2. Step 2: Convert to fraction form
    619,488,119.80/928,112,435.70 = 360,491,332.60/x
  3. Step 3: Cross multiply
    619,488,119.80x = 928,112,435.70 × 360,491,332.60
  4. Step 4: Simplify right side
    619,488,119.80x = 334,576,488,748,124,864
  5. Step 5: Solve for x
    x = 334,576,488,748,124,864/619,488,119.80
  6. Step 6: Final answer
    x = 540,085,399.63

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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.