Home / 854,936,315.36-1,283,233,739.16-412,590,292.76

Finding the Fourth Proportional to 854,936,315.36, 1,283,233,739.16 and 412,590,292.76

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Solution

The fourth proportional to 854,936,315.36, 1,283,233,739.16 and 412,590,292.76 is: 619,285,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,936,315.36 : 1,283,233,739.16 = 412,590,292.76 : x
  2. Step 2: Convert to fraction form
    854,936,315.36/1,283,233,739.16 = 412,590,292.76/x
  3. Step 3: Cross multiply
    854,936,315.36x = 1,283,233,739.16 × 412,590,292.76
  4. Step 4: Simplify right side
    854,936,315.36x = 529,449,784,119,533,888
  5. Step 5: Solve for x
    x = 529,449,784,119,533,888/854,936,315.36
  6. Step 6: Final answer
    x = 619,285,641.06

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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.