Home / 328,084,281.40-492,126,422.10-303,141,983.80

Finding the Fourth Proportional to 328,084,281.40, 492,126,422.10 and 303,141,983.80

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Solution

The fourth proportional to 328,084,281.40, 492,126,422.10 and 303,141,983.80 is: 454,712,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,084,281.40 : 492,126,422.10 = 303,141,983.80 : x
  2. Step 2: Convert to fraction form
    328,084,281.40/492,126,422.10 = 303,141,983.80/x
  3. Step 3: Cross multiply
    328,084,281.40x = 492,126,422.10 × 303,141,983.80
  4. Step 4: Simplify right side
    328,084,281.40x = 149,184,179,875,790,176
  5. Step 5: Solve for x
    x = 149,184,179,875,790,176/328,084,281.40
  6. Step 6: Final answer
    x = 454,712,975.70

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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.