Home / 840,281,100.33-1,260,426,449.81-348,994,370.26

Finding the Fourth Proportional to 840,281,100.33, 1,260,426,449.81 and 348,994,370.26

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Solution

The fourth proportional to 840,281,100.33, 1,260,426,449.81 and 348,994,370.26 is: 523,493,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,281,100.33 : 1,260,426,449.81 = 348,994,370.26 : x
  2. Step 2: Convert to fraction form
    840,281,100.33/1,260,426,449.81 = 348,994,370.26/x
  3. Step 3: Cross multiply
    840,281,100.33x = 1,260,426,449.81 × 348,994,370.26
  4. Step 4: Simplify right side
    840,281,100.33x = 439,881,735,112,936,512
  5. Step 5: Solve for x
    x = 439,881,735,112,936,512/840,281,100.33
  6. Step 6: Final answer
    x = 523,493,548.69

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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.