Home / 393,984,010.10-590,976,015.15-264,989,501.30

Finding the Fourth Proportional to 393,984,010.10, 590,976,015.15 and 264,989,501.30

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Solution

The fourth proportional to 393,984,010.10, 590,976,015.15 and 264,989,501.30 is: 397,484,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,010.10 : 590,976,015.15 = 264,989,501.30 : x
  2. Step 2: Convert to fraction form
    393,984,010.10/590,976,015.15 = 264,989,501.30/x
  3. Step 3: Cross multiply
    393,984,010.10x = 590,976,015.15 × 264,989,501.30
  4. Step 4: Simplify right side
    393,984,010.10x = 156,602,439,534,859,744
  5. Step 5: Solve for x
    x = 156,602,439,534,859,744/393,984,010.10
  6. Step 6: Final answer
    x = 397,484,251.95

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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.