Home / 626,287,427.20-939,431,140.80-626,287,427.20

Finding the Fourth Proportional to 626,287,427.20, 939,431,140.80 and 626,287,427.20

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Solution

The fourth proportional to 626,287,427.20, 939,431,140.80 and 626,287,427.20 is: 939,431,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,287,427.20 : 939,431,140.80 = 626,287,427.20 : x
  2. Step 2: Convert to fraction form
    626,287,427.20/939,431,140.80 = 626,287,427.20/x
  3. Step 3: Cross multiply
    626,287,427.20x = 939,431,140.80 × 626,287,427.20
  4. Step 4: Simplify right side
    626,287,427.20x = 588,353,912,203,192,960
  5. Step 5: Solve for x
    x = 588,353,912,203,192,960/626,287,427.20
  6. Step 6: Final answer
    x = 939,431,140.80

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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.