Home / 293,473,988.40-440,494,417.80-178,682,732.40

Finding the Fourth Proportional to 293,473,988.40, 440,494,417.80 and 178,682,732.40

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Solution

The fourth proportional to 293,473,988.40, 440,494,417.80 and 178,682,732.40 is: 268,196,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,473,988.40 : 440,494,417.80 = 178,682,732.40 : x
  2. Step 2: Convert to fraction form
    293,473,988.40/440,494,417.80 = 178,682,732.40/x
  3. Step 3: Cross multiply
    293,473,988.40x = 440,494,417.80 × 178,682,732.40
  4. Step 4: Simplify right side
    293,473,988.40x = 78,708,746,179,451,200
  5. Step 5: Solve for x
    x = 78,708,746,179,451,200/293,473,988.40
  6. Step 6: Final answer
    x = 268,196,669.18

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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.