Home / 553,317,828.12-829,465,984.74-276,728,359.13

Finding the Fourth Proportional to 553,317,828.12, 829,465,984.74 and 276,728,359.13

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Solution

The fourth proportional to 553,317,828.12, 829,465,984.74 and 276,728,359.13 is: 414,837,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,317,828.12 : 829,465,984.74 = 276,728,359.13 : x
  2. Step 2: Convert to fraction form
    553,317,828.12/829,465,984.74 = 276,728,359.13/x
  3. Step 3: Cross multiply
    553,317,828.12x = 829,465,984.74 × 276,728,359.13
  4. Step 4: Simplify right side
    553,317,828.12x = 229,536,760,907,102,496
  5. Step 5: Solve for x
    x = 229,536,760,907,102,496/553,317,828.12
  6. Step 6: Final answer
    x = 414,837,095.86

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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.