Home / 445,824,147.60-668,736,221.40-154,594,479.60

Finding the Fourth Proportional to 445,824,147.60, 668,736,221.40 and 154,594,479.60

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Solution

The fourth proportional to 445,824,147.60, 668,736,221.40 and 154,594,479.60 is: 231,891,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,147.60 : 668,736,221.40 = 154,594,479.60 : x
  2. Step 2: Convert to fraction form
    445,824,147.60/668,736,221.40 = 154,594,479.60/x
  3. Step 3: Cross multiply
    445,824,147.60x = 668,736,221.40 × 154,594,479.60
  4. Step 4: Simplify right side
    445,824,147.60x = 103,382,928,137,003,376
  5. Step 5: Solve for x
    x = 103,382,928,137,003,376/445,824,147.60
  6. Step 6: Final answer
    x = 231,891,719.40

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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.