Home / 626,465,314.20-939,697,971.30-263,668,258.20

Finding the Fourth Proportional to 626,465,314.20, 939,697,971.30 and 263,668,258.20

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Solution

The fourth proportional to 626,465,314.20, 939,697,971.30 and 263,668,258.20 is: 395,502,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,465,314.20 : 939,697,971.30 = 263,668,258.20 : x
  2. Step 2: Convert to fraction form
    626,465,314.20/939,697,971.30 = 263,668,258.20/x
  3. Step 3: Cross multiply
    626,465,314.20x = 939,697,971.30 × 263,668,258.20
  4. Step 4: Simplify right side
    626,465,314.20x = 247,768,527,326,744,576
  5. Step 5: Solve for x
    x = 247,768,527,326,744,576/626,465,314.20
  6. Step 6: Final answer
    x = 395,502,387.30

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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.