Home / 806,014,464.75-1,208,976,220.88-357,188,588.96

Finding the Fourth Proportional to 806,014,464.75, 1,208,976,220.88 and 357,188,588.96

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Solution

The fourth proportional to 806,014,464.75, 1,208,976,220.88 and 357,188,588.96 is: 535,762,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,014,464.75 : 1,208,976,220.88 = 357,188,588.96 : x
  2. Step 2: Convert to fraction form
    806,014,464.75/1,208,976,220.88 = 357,188,588.96/x
  3. Step 3: Cross multiply
    806,014,464.75x = 1,208,976,220.88 × 357,188,588.96
  4. Step 4: Simplify right side
    806,014,464.75x = 431,832,510,414,489,664
  5. Step 5: Solve for x
    x = 431,832,510,414,489,664/806,014,464.75
  6. Step 6: Final answer
    x = 535,762,730.45

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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.