Home / 626,465,308.70-939,697,963.05-263,668,252.70

Finding the Fourth Proportional to 626,465,308.70, 939,697,963.05 and 263,668,252.70

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Solution

The fourth proportional to 626,465,308.70, 939,697,963.05 and 263,668,252.70 is: 395,502,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,465,308.70 : 939,697,963.05 = 263,668,252.70 : x
  2. Step 2: Convert to fraction form
    626,465,308.70/939,697,963.05 = 263,668,252.70/x
  3. Step 3: Cross multiply
    626,465,308.70x = 939,697,963.05 × 263,668,252.70
  4. Step 4: Simplify right side
    626,465,308.70x = 247,768,519,983,142,624
  5. Step 5: Solve for x
    x = 247,768,519,983,142,624/626,465,308.70
  6. Step 6: Final answer
    x = 395,502,379.05

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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.