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Finding the Fourth Proportional to 652,165,820.40, 978,248,730.60 and 445,541,559.60

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Solution

The fourth proportional to 652,165,820.40, 978,248,730.60 and 445,541,559.60 is: 668,312,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,165,820.40 : 978,248,730.60 = 445,541,559.60 : x
  2. Step 2: Convert to fraction form
    652,165,820.40/978,248,730.60 = 445,541,559.60/x
  3. Step 3: Cross multiply
    652,165,820.40x = 978,248,730.60 × 445,541,559.60
  4. Step 4: Simplify right side
    652,165,820.40x = 435,850,465,108,244,288
  5. Step 5: Solve for x
    x = 435,850,465,108,244,288/652,165,820.40
  6. Step 6: Final answer
    x = 668,312,339.40

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Why These Related Problems?

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