Home / 253,456,005.40-380,184,008.10-202,437,669.40

Finding the Fourth Proportional to 253,456,005.40, 380,184,008.10 and 202,437,669.40

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Solution

The fourth proportional to 253,456,005.40, 380,184,008.10 and 202,437,669.40 is: 303,656,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,456,005.40 : 380,184,008.10 = 202,437,669.40 : x
  2. Step 2: Convert to fraction form
    253,456,005.40/380,184,008.10 = 202,437,669.40/x
  3. Step 3: Cross multiply
    253,456,005.40x = 380,184,008.10 × 202,437,669.40
  4. Step 4: Simplify right side
    253,456,005.40x = 76,963,564,542,914,736
  5. Step 5: Solve for x
    x = 76,963,564,542,914,736/253,456,005.40
  6. Step 6: Final answer
    x = 303,656,504.10

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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.