Home / 638,252,467.20-957,378,700.80-249,946,243.20

Finding the Fourth Proportional to 638,252,467.20, 957,378,700.80 and 249,946,243.20

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Solution

The fourth proportional to 638,252,467.20, 957,378,700.80 and 249,946,243.20 is: 374,919,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,252,467.20 : 957,378,700.80 = 249,946,243.20 : x
  2. Step 2: Convert to fraction form
    638,252,467.20/957,378,700.80 = 249,946,243.20/x
  3. Step 3: Cross multiply
    638,252,467.20x = 957,378,700.80 × 249,946,243.20
  4. Step 4: Simplify right side
    638,252,467.20x = 239,293,209,584,656,800
  5. Step 5: Solve for x
    x = 239,293,209,584,656,800/638,252,467.20
  6. Step 6: Final answer
    x = 374,919,364.80

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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.