Home / 458,099,319-686,281,975.56-270,792,495.48

Finding the Fourth Proportional to 458,099,319, 686,281,975.56 and 270,792,495.48

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Solution

The fourth proportional to 458,099,319, 686,281,975.56 and 270,792,495.48 is: 405,676,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,099,319 : 686,281,975.56 = 270,792,495.48 : x
  2. Step 2: Convert to fraction form
    458,099,319/686,281,975.56 = 270,792,495.48/x
  3. Step 3: Cross multiply
    458,099,319x = 686,281,975.56 × 270,792,495.48
  4. Step 4: Simplify right side
    458,099,319x = 185,840,008,764,836,768
  5. Step 5: Solve for x
    x = 185,840,008,764,836,768/458,099,319
  6. Step 6: Final answer
    x = 405,676,238.88

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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.