Home / 252,647,997.20-378,971,995.80-249,246,774.80

Finding the Fourth Proportional to 252,647,997.20, 378,971,995.80 and 249,246,774.80

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Solution

The fourth proportional to 252,647,997.20, 378,971,995.80 and 249,246,774.80 is: 373,870,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,647,997.20 : 378,971,995.80 = 249,246,774.80 : x
  2. Step 2: Convert to fraction form
    252,647,997.20/378,971,995.80 = 249,246,774.80/x
  3. Step 3: Cross multiply
    252,647,997.20x = 378,971,995.80 × 249,246,774.80
  4. Step 4: Simplify right side
    252,647,997.20x = 94,457,547,692,669,152
  5. Step 5: Solve for x
    x = 94,457,547,692,669,152/252,647,997.20
  6. Step 6: Final answer
    x = 373,870,162.20

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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.