Home / 19,053,420,486.72-28,583,386,770.70-7,855,173,129.70

Finding the Fourth Proportional to 19,053,420,486.72, 28,583,386,770.70 and 7,855,173,129.70

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Solution

The fourth proportional to 19,053,420,486.72, 28,583,386,770.70 and 7,855,173,129.70 is: 11,784,102,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053,420,486.72 : 28,583,386,770.70 = 7,855,173,129.70 : x
  2. Step 2: Convert to fraction form
    19,053,420,486.72/28,583,386,770.70 = 7,855,173,129.70/x
  3. Step 3: Cross multiply
    19,053,420,486.72x = 28,583,386,770.70 × 7,855,173,129.70
  4. Step 4: Simplify right side
    19,053,420,486.72x = 224,527,451,716,882,169,856
  5. Step 5: Solve for x
    x = 224,527,451,716,882,169,856/19,053,420,486.72
  6. Step 6: Final answer
    x = 11,784,102,065.74

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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.