Home / 28,514,600,578.20-42,769,987,679.70-7,552,583,491.80

Finding the Fourth Proportional to 28,514,600,578.20, 42,769,987,679.70 and 7,552,583,491.80

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Solution

The fourth proportional to 28,514,600,578.20, 42,769,987,679.70 and 7,552,583,491.80 is: 11,328,368,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,600,578.20 : 42,769,987,679.70 = 7,552,583,491.80 : x
  2. Step 2: Convert to fraction form
    28,514,600,578.20/42,769,987,679.70 = 7,552,583,491.80/x
  3. Step 3: Cross multiply
    28,514,600,578.20x = 42,769,987,679.70 × 7,552,583,491.80
  4. Step 4: Simplify right side
    28,514,600,578.20x = 323,023,902,894,191,607,808
  5. Step 5: Solve for x
    x = 323,023,902,894,191,607,808/28,514,600,578.20
  6. Step 6: Final answer
    x = 11,328,368,496.99

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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.