Home / 370,461,859.46-555,743,889.61-215,088,839.90

Finding the Fourth Proportional to 370,461,859.46, 555,743,889.61 and 215,088,839.90

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Solution

The fourth proportional to 370,461,859.46, 555,743,889.61 and 215,088,839.90 is: 322,662,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,461,859.46 : 555,743,889.61 = 215,088,839.90 : x
  2. Step 2: Convert to fraction form
    370,461,859.46/555,743,889.61 = 215,088,839.90/x
  3. Step 3: Cross multiply
    370,461,859.46x = 555,743,889.61 × 215,088,839.90
  4. Step 4: Simplify right side
    370,461,859.46x = 119,534,308,497,728,576
  5. Step 5: Solve for x
    x = 119,534,308,497,728,576/370,461,859.46
  6. Step 6: Final answer
    x = 322,662,928.57

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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.