Home / 626,465,311.20-939,697,966.80-263,668,255.20

Finding the Fourth Proportional to 626,465,311.20, 939,697,966.80 and 263,668,255.20

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Solution

The fourth proportional to 626,465,311.20, 939,697,966.80 and 263,668,255.20 is: 395,502,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,465,311.20 : 939,697,966.80 = 263,668,255.20 : x
  2. Step 2: Convert to fraction form
    626,465,311.20/939,697,966.80 = 263,668,255.20/x
  3. Step 3: Cross multiply
    626,465,311.20x = 939,697,966.80 × 263,668,255.20
  4. Step 4: Simplify right side
    626,465,311.20x = 247,768,523,321,143,488
  5. Step 5: Solve for x
    x = 247,768,523,321,143,488/626,465,311.20
  6. Step 6: Final answer
    x = 395,502,382.80

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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.