Home / 689,473,067.80-1,034,209,601.70-229,426,245.40

Finding the Fourth Proportional to 689,473,067.80, 1,034,209,601.70 and 229,426,245.40

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Solution

The fourth proportional to 689,473,067.80, 1,034,209,601.70 and 229,426,245.40 is: 344,139,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,473,067.80 : 1,034,209,601.70 = 229,426,245.40 : x
  2. Step 2: Convert to fraction form
    689,473,067.80/1,034,209,601.70 = 229,426,245.40/x
  3. Step 3: Cross multiply
    689,473,067.80x = 1,034,209,601.70 × 229,426,245.40
  4. Step 4: Simplify right side
    689,473,067.80x = 237,274,825,874,660,480
  5. Step 5: Solve for x
    x = 237,274,825,874,660,480/689,473,067.80
  6. Step 6: Final answer
    x = 344,139,368.10

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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.