Home / 639,576,358.52-882,621,459.32-375,262,848.56

Finding the Fourth Proportional to 639,576,358.52, 882,621,459.32 and 375,262,848.56

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Solution

The fourth proportional to 639,576,358.52, 882,621,459.32 and 375,262,848.56 is: 517,866,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,576,358.52 : 882,621,459.32 = 375,262,848.56 : x
  2. Step 2: Convert to fraction form
    639,576,358.52/882,621,459.32 = 375,262,848.56/x
  3. Step 3: Cross multiply
    639,576,358.52x = 882,621,459.32 × 375,262,848.56
  4. Step 4: Simplify right side
    639,576,358.52x = 331,215,043,024,607,360
  5. Step 5: Solve for x
    x = 331,215,043,024,607,360/639,576,358.52
  6. Step 6: Final answer
    x = 517,866,301.05

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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.