Home / 388,201,601.40-582,302,402.10-184,128,257.40

Finding the Fourth Proportional to 388,201,601.40, 582,302,402.10 and 184,128,257.40

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Solution

The fourth proportional to 388,201,601.40, 582,302,402.10 and 184,128,257.40 is: 276,192,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,201,601.40 : 582,302,402.10 = 184,128,257.40 : x
  2. Step 2: Convert to fraction form
    388,201,601.40/582,302,402.10 = 184,128,257.40/x
  3. Step 3: Cross multiply
    388,201,601.40x = 582,302,402.10 × 184,128,257.40
  4. Step 4: Simplify right side
    388,201,601.40x = 107,218,326,578,507,104
  5. Step 5: Solve for x
    x = 107,218,326,578,507,104/388,201,601.40
  6. Step 6: Final answer
    x = 276,192,386.10

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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.