Home / 327,551,341.40-491,327,012.10-155,364,457.40

Finding the Fourth Proportional to 327,551,341.40, 491,327,012.10 and 155,364,457.40

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Solution

The fourth proportional to 327,551,341.40, 491,327,012.10 and 155,364,457.40 is: 233,046,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,551,341.40 : 491,327,012.10 = 155,364,457.40 : x
  2. Step 2: Convert to fraction form
    327,551,341.40/491,327,012.10 = 155,364,457.40/x
  3. Step 3: Cross multiply
    327,551,341.40x = 491,327,012.10 × 155,364,457.40
  4. Step 4: Simplify right side
    327,551,341.40x = 76,334,754,640,879,744
  5. Step 5: Solve for x
    x = 76,334,754,640,879,744/327,551,341.40
  6. Step 6: Final answer
    x = 233,046,686.10

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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.