Home / 316,715,643.64-436,912,273.91-274,840,935.94

Finding the Fourth Proportional to 316,715,643.64, 436,912,273.91 and 274,840,935.94

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Solution

The fourth proportional to 316,715,643.64, 436,912,273.91 and 274,840,935.94 is: 379,145,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,715,643.64 : 436,912,273.91 = 274,840,935.94 : x
  2. Step 2: Convert to fraction form
    316,715,643.64/436,912,273.91 = 274,840,935.94/x
  3. Step 3: Cross multiply
    316,715,643.64x = 436,912,273.91 × 274,840,935.94
  4. Step 4: Simplify right side
    316,715,643.64x = 120,081,378,281,539,264
  5. Step 5: Solve for x
    x = 120,081,378,281,539,264/316,715,643.64
  6. Step 6: Final answer
    x = 379,145,712.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.