Home / 380,577,808.60-570,866,712.90-265,786,552.60

Finding the Fourth Proportional to 380,577,808.60, 570,866,712.90 and 265,786,552.60

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Solution

The fourth proportional to 380,577,808.60, 570,866,712.90 and 265,786,552.60 is: 398,679,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,577,808.60 : 570,866,712.90 = 265,786,552.60 : x
  2. Step 2: Convert to fraction form
    380,577,808.60/570,866,712.90 = 265,786,552.60/x
  3. Step 3: Cross multiply
    380,577,808.60x = 570,866,712.90 × 265,786,552.60
  4. Step 4: Simplify right side
    380,577,808.60x = 151,728,695,615,784,928
  5. Step 5: Solve for x
    x = 151,728,695,615,784,928/380,577,808.60
  6. Step 6: Final answer
    x = 398,679,828.90

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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.