Home / 685,591,241.73-946,116,050.29-417,667,064.40

Finding the Fourth Proportional to 685,591,241.73, 946,116,050.29 and 417,667,064.40

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Solution

The fourth proportional to 685,591,241.73, 946,116,050.29 and 417,667,064.40 is: 576,380,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,591,241.73 : 946,116,050.29 = 417,667,064.40 : x
  2. Step 2: Convert to fraction form
    685,591,241.73/946,116,050.29 = 417,667,064.40/x
  3. Step 3: Cross multiply
    685,591,241.73x = 946,116,050.29 × 417,667,064.40
  4. Step 4: Simplify right side
    685,591,241.73x = 395,161,513,299,528,128
  5. Step 5: Solve for x
    x = 395,161,513,299,528,128/685,591,241.73
  6. Step 6: Final answer
    x = 576,380,632.15

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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.