Home / 407,236,549.62-611,042,690.27-185,975,718.63

Finding the Fourth Proportional to 407,236,549.62, 611,042,690.27 and 185,975,718.63

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Solution

The fourth proportional to 407,236,549.62, 611,042,690.27 and 185,975,718.63 is: 279,049,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,236,549.62 : 611,042,690.27 = 185,975,718.63 : x
  2. Step 2: Convert to fraction form
    407,236,549.62/611,042,690.27 = 185,975,718.63/x
  3. Step 3: Cross multiply
    407,236,549.62x = 611,042,690.27 × 185,975,718.63
  4. Step 4: Simplify right side
    407,236,549.62x = 113,639,103,433,703,808
  5. Step 5: Solve for x
    x = 113,639,103,433,703,808/407,236,549.62
  6. Step 6: Final answer
    x = 279,049,372.01

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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.