Home / 347,751,014.20-521,626,521.30-186,507,878.20

Finding the Fourth Proportional to 347,751,014.20, 521,626,521.30 and 186,507,878.20

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Solution

The fourth proportional to 347,751,014.20, 521,626,521.30 and 186,507,878.20 is: 279,761,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,751,014.20 : 521,626,521.30 = 186,507,878.20 : x
  2. Step 2: Convert to fraction form
    347,751,014.20/521,626,521.30 = 186,507,878.20/x
  3. Step 3: Cross multiply
    347,751,014.20x = 521,626,521.30 × 186,507,878.20
  4. Step 4: Simplify right side
    347,751,014.20x = 97,287,455,700,510,096
  5. Step 5: Solve for x
    x = 97,287,455,700,510,096/347,751,014.20
  6. Step 6: Final answer
    x = 279,761,817.30

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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.