Home / 778,968,035.52-1,168,670,497.71-312,956,698.26

Finding the Fourth Proportional to 778,968,035.52, 1,168,670,497.71 and 312,956,698.26

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Solution

The fourth proportional to 778,968,035.52, 1,168,670,497.71 and 312,956,698.26 is: 469,522,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,968,035.52 : 1,168,670,497.71 = 312,956,698.26 : x
  2. Step 2: Convert to fraction form
    778,968,035.52/1,168,670,497.71 = 312,956,698.26/x
  3. Step 3: Cross multiply
    778,968,035.52x = 1,168,670,497.71 × 312,956,698.26
  4. Step 4: Simplify right side
    778,968,035.52x = 365,743,260,317,192,512
  5. Step 5: Solve for x
    x = 365,743,260,317,192,512/778,968,035.52
  6. Step 6: Final answer
    x = 469,522,809.20

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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.