Home / 436,422,187.80-654,633,281.70-389,070,794.70

Finding the Fourth Proportional to 436,422,187.80, 654,633,281.70 and 389,070,794.70

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Solution

The fourth proportional to 436,422,187.80, 654,633,281.70 and 389,070,794.70 is: 583,606,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,422,187.80 : 654,633,281.70 = 389,070,794.70 : x
  2. Step 2: Convert to fraction form
    436,422,187.80/654,633,281.70 = 389,070,794.70/x
  3. Step 3: Cross multiply
    436,422,187.80x = 654,633,281.70 × 389,070,794.70
  4. Step 4: Simplify right side
    436,422,187.80x = 254,698,691,148,087,968
  5. Step 5: Solve for x
    x = 254,698,691,148,087,968/436,422,187.80
  6. Step 6: Final answer
    x = 583,606,192.05

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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.