Home / 2,926,682,981.71-4,390,886,855.45-1,178,986,373.71

Finding the Fourth Proportional to 2,926,682,981.71, 4,390,886,855.45 and 1,178,986,373.71

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Solution

The fourth proportional to 2,926,682,981.71, 4,390,886,855.45 and 1,178,986,373.71 is: 1,768,826,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,682,981.71 : 4,390,886,855.45 = 1,178,986,373.71 : x
  2. Step 2: Convert to fraction form
    2,926,682,981.71/4,390,886,855.45 = 1,178,986,373.71/x
  3. Step 3: Cross multiply
    2,926,682,981.71x = 4,390,886,855.45 × 1,178,986,373.71
  4. Step 4: Simplify right side
    2,926,682,981.71x = 5,176,795,771,077,900,288
  5. Step 5: Solve for x
    x = 5,176,795,771,077,900,288/2,926,682,981.71
  6. Step 6: Final answer
    x = 1,768,826,963.30

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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.