Home / 807,781,966.85-1,212,041,111.06-414,584,913.02

Finding the Fourth Proportional to 807,781,966.85, 1,212,041,111.06 and 414,584,913.02

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Solution

The fourth proportional to 807,781,966.85, 1,212,041,111.06 and 414,584,913.02 is: 622,066,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,781,966.85 : 1,212,041,111.06 = 414,584,913.02 : x
  2. Step 2: Convert to fraction form
    807,781,966.85/1,212,041,111.06 = 414,584,913.02/x
  3. Step 3: Cross multiply
    807,781,966.85x = 1,212,041,111.06 × 414,584,913.02
  4. Step 4: Simplify right side
    807,781,966.85x = 502,493,958,601,772,864
  5. Step 5: Solve for x
    x = 502,493,958,601,772,864/807,781,966.85
  6. Step 6: Final answer
    x = 622,066,323.86

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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.