Home / 328,354,709.70-492,207,200.55-155,527,752.90

Finding the Fourth Proportional to 328,354,709.70, 492,207,200.55 and 155,527,752.90

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Solution

The fourth proportional to 328,354,709.70, 492,207,200.55 and 155,527,752.90 is: 233,137,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,354,709.70 : 492,207,200.55 = 155,527,752.90 : x
  2. Step 2: Convert to fraction form
    328,354,709.70/492,207,200.55 = 155,527,752.90/x
  3. Step 3: Cross multiply
    328,354,709.70x = 492,207,200.55 × 155,527,752.90
  4. Step 4: Simplify right side
    328,354,709.70x = 76,551,879,862,741,152
  5. Step 5: Solve for x
    x = 76,551,879,862,741,152/328,354,709.70
  6. Step 6: Final answer
    x = 233,137,755.00

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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.