Home / 399,218,268.40-597,931,607.40-327,554,652.40

Finding the Fourth Proportional to 399,218,268.40, 597,931,607.40 and 327,554,652.40

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Solution

The fourth proportional to 399,218,268.40, 597,931,607.40 and 327,554,652.40 is: 490,596,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,218,268.40 : 597,931,607.40 = 327,554,652.40 : x
  2. Step 2: Convert to fraction form
    399,218,268.40/597,931,607.40 = 327,554,652.40/x
  3. Step 3: Cross multiply
    399,218,268.40x = 597,931,607.40 × 327,554,652.40
  4. Step 4: Simplify right side
    399,218,268.40x = 195,855,279,820,880,256
  5. Step 5: Solve for x
    x = 195,855,279,820,880,256/399,218,268.40
  6. Step 6: Final answer
    x = 490,596,987.47

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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.