Home / 412,421,885.71-618,574,582.94-132,266,395.88

Finding the Fourth Proportional to 412,421,885.71, 618,574,582.94 and 132,266,395.88

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Solution

The fourth proportional to 412,421,885.71, 618,574,582.94 and 132,266,395.88 is: 198,380,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,421,885.71 : 618,574,582.94 = 132,266,395.88 : x
  2. Step 2: Convert to fraction form
    412,421,885.71/618,574,582.94 = 132,266,395.88/x
  3. Step 3: Cross multiply
    412,421,885.71x = 618,574,582.94 × 132,266,395.88
  4. Step 4: Simplify right side
    412,421,885.71x = 81,816,630,667,013,376
  5. Step 5: Solve for x
    x = 81,816,630,667,013,376/412,421,885.71
  6. Step 6: Final answer
    x = 198,380,914.06

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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.