Home / 654,765,171.84-903,511,622.88-361,390,844.16

Finding the Fourth Proportional to 654,765,171.84, 903,511,622.88 and 361,390,844.16

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Solution

The fourth proportional to 654,765,171.84, 903,511,622.88 and 361,390,844.16 is: 498,683,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,765,171.84 : 903,511,622.88 = 361,390,844.16 : x
  2. Step 2: Convert to fraction form
    654,765,171.84/903,511,622.88 = 361,390,844.16/x
  3. Step 3: Cross multiply
    654,765,171.84x = 903,511,622.88 × 361,390,844.16
  4. Step 4: Simplify right side
    654,765,171.84x = 326,520,828,100,974,784
  5. Step 5: Solve for x
    x = 326,520,828,100,974,784/654,765,171.84
  6. Step 6: Final answer
    x = 498,683,867.35

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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.