Home / 626,465,419.20-939,698,128.80-263,668,363.20

Finding the Fourth Proportional to 626,465,419.20, 939,698,128.80 and 263,668,363.20

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Solution

The fourth proportional to 626,465,419.20, 939,698,128.80 and 263,668,363.20 is: 395,502,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,465,419.20 : 939,698,128.80 = 263,668,363.20 : x
  2. Step 2: Convert to fraction form
    626,465,419.20/939,698,128.80 = 263,668,363.20/x
  3. Step 3: Cross multiply
    626,465,419.20x = 939,698,128.80 × 263,668,363.20
  4. Step 4: Simplify right side
    626,465,419.20x = 247,768,667,522,798,752
  5. Step 5: Solve for x
    x = 247,768,667,522,798,752/626,465,419.20
  6. Step 6: Final answer
    x = 395,502,544.80

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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.