Home / 764,370,739.20-1,146,556,108.80-253,767,475.20

Finding the Fourth Proportional to 764,370,739.20, 1,146,556,108.80 and 253,767,475.20

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Solution

The fourth proportional to 764,370,739.20, 1,146,556,108.80 and 253,767,475.20 is: 380,651,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,370,739.20 : 1,146,556,108.80 = 253,767,475.20 : x
  2. Step 2: Convert to fraction form
    764,370,739.20/1,146,556,108.80 = 253,767,475.20/x
  3. Step 3: Cross multiply
    764,370,739.20x = 1,146,556,108.80 × 253,767,475.20
  4. Step 4: Simplify right side
    764,370,739.20x = 290,958,648,905,312,448
  5. Step 5: Solve for x
    x = 290,958,648,905,312,448/764,370,739.20
  6. Step 6: Final answer
    x = 380,651,212.80

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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.