Home / 545,917,190.40-818,875,785.60-177,451,430.40

Finding the Fourth Proportional to 545,917,190.40, 818,875,785.60 and 177,451,430.40

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Solution

The fourth proportional to 545,917,190.40, 818,875,785.60 and 177,451,430.40 is: 266,177,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,917,190.40 : 818,875,785.60 = 177,451,430.40 : x
  2. Step 2: Convert to fraction form
    545,917,190.40/818,875,785.60 = 177,451,430.40/x
  3. Step 3: Cross multiply
    545,917,190.40x = 818,875,785.60 × 177,451,430.40
  4. Step 4: Simplify right side
    545,917,190.40x = 145,310,679,474,643,744
  5. Step 5: Solve for x
    x = 145,310,679,474,643,744/545,917,190.40
  6. Step 6: Final answer
    x = 266,177,145.60

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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.