Home / 453,938,080.80-680,907,121.20-315,388,423.20

Finding the Fourth Proportional to 453,938,080.80, 680,907,121.20 and 315,388,423.20

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Solution

The fourth proportional to 453,938,080.80, 680,907,121.20 and 315,388,423.20 is: 473,082,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,938,080.80 : 680,907,121.20 = 315,388,423.20 : x
  2. Step 2: Convert to fraction form
    453,938,080.80/680,907,121.20 = 315,388,423.20/x
  3. Step 3: Cross multiply
    453,938,080.80x = 680,907,121.20 × 315,388,423.20
  4. Step 4: Simplify right side
    453,938,080.80x = 214,750,223,300,919,296
  5. Step 5: Solve for x
    x = 214,750,223,300,919,296/453,938,080.80
  6. Step 6: Final answer
    x = 473,082,634.80

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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.