Home / 768,012,300.41-1,059,858,816.89-415,592,072.81

Finding the Fourth Proportional to 768,012,300.41, 1,059,858,816.89 and 415,592,072.81

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Solution

The fourth proportional to 768,012,300.41, 1,059,858,816.89 and 415,592,072.81 is: 573,518,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,012,300.41 : 1,059,858,816.89 = 415,592,072.81 : x
  2. Step 2: Convert to fraction form
    768,012,300.41/1,059,858,816.89 = 415,592,072.81/x
  3. Step 3: Cross multiply
    768,012,300.41x = 1,059,858,816.89 × 415,592,072.81
  4. Step 4: Simplify right side
    768,012,300.41x = 440,468,922,589,892,096
  5. Step 5: Solve for x
    x = 440,468,922,589,892,096/768,012,300.41
  6. Step 6: Final answer
    x = 573,518,057.40

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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.