Home / 513,871,102.80-770,551,601.40-186,333,541.20

Finding the Fourth Proportional to 513,871,102.80, 770,551,601.40 and 186,333,541.20

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Solution

The fourth proportional to 513,871,102.80, 770,551,601.40 and 186,333,541.20 is: 279,407,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,871,102.80 : 770,551,601.40 = 186,333,541.20 : x
  2. Step 2: Convert to fraction form
    513,871,102.80/770,551,601.40 = 186,333,541.20/x
  3. Step 3: Cross multiply
    513,871,102.80x = 770,551,601.40 × 186,333,541.20
  4. Step 4: Simplify right side
    513,871,102.80x = 143,579,608,566,192,864
  5. Step 5: Solve for x
    x = 143,579,608,566,192,864/513,871,102.80
  6. Step 6: Final answer
    x = 279,407,827.73

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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.