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Finding the Fourth Proportional to 653,338,228.80, 978,873,602.40 and 423,188,846.40

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Solution

The fourth proportional to 653,338,228.80, 978,873,602.40 and 423,188,846.40 is: 634,048,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,338,228.80 : 978,873,602.40 = 423,188,846.40 : x
  2. Step 2: Convert to fraction form
    653,338,228.80/978,873,602.40 = 423,188,846.40/x
  3. Step 3: Cross multiply
    653,338,228.80x = 978,873,602.40 × 423,188,846.40
  4. Step 4: Simplify right side
    653,338,228.80x = 414,248,390,571,068,224
  5. Step 5: Solve for x
    x = 414,248,390,571,068,224/653,338,228.80
  6. Step 6: Final answer
    x = 634,048,908.07

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Why These Related Problems?

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