Home / 362,507,810.40-542,486,257.20-331,896,808.80

Finding the Fourth Proportional to 362,507,810.40, 542,486,257.20 and 331,896,808.80

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Solution

The fourth proportional to 362,507,810.40, 542,486,257.20 and 331,896,808.80 is: 496,677,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,507,810.40 : 542,486,257.20 = 331,896,808.80 : x
  2. Step 2: Convert to fraction form
    362,507,810.40/542,486,257.20 = 331,896,808.80/x
  3. Step 3: Cross multiply
    362,507,810.40x = 542,486,257.20 × 331,896,808.80
  4. Step 4: Simplify right side
    362,507,810.40x = 180,049,457,582,536,032
  5. Step 5: Solve for x
    x = 180,049,457,582,536,032/362,507,810.40
  6. Step 6: Final answer
    x = 496,677,457.47

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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.