Home / 396,291,574.59-546,816,755.65-229,043,409.98

Finding the Fourth Proportional to 396,291,574.59, 546,816,755.65 and 229,043,409.98

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Solution

The fourth proportional to 396,291,574.59, 546,816,755.65 and 229,043,409.98 is: 316,041,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,291,574.59 : 546,816,755.65 = 229,043,409.98 : x
  2. Step 2: Convert to fraction form
    396,291,574.59/546,816,755.65 = 229,043,409.98/x
  3. Step 3: Cross multiply
    396,291,574.59x = 546,816,755.65 × 229,043,409.98
  4. Step 4: Simplify right side
    396,291,574.59x = 125,244,774,348,276,416
  5. Step 5: Solve for x
    x = 125,244,774,348,276,416/396,291,574.59
  6. Step 6: Final answer
    x = 316,041,981.15

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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.