Home / 994,085,602.32-1,491,343,648.06-380,669,849.94

Finding the Fourth Proportional to 994,085,602.32, 1,491,343,648.06 and 380,669,849.94

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Solution

The fourth proportional to 994,085,602.32, 1,491,343,648.06 and 380,669,849.94 is: 571,087,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,085,602.32 : 1,491,343,648.06 = 380,669,849.94 : x
  2. Step 2: Convert to fraction form
    994,085,602.32/1,491,343,648.06 = 380,669,849.94/x
  3. Step 3: Cross multiply
    994,085,602.32x = 1,491,343,648.06 × 380,669,849.94
  4. Step 4: Simplify right side
    994,085,602.32x = 567,709,562,715,972,352
  5. Step 5: Solve for x
    x = 567,709,562,715,972,352/994,085,602.32
  6. Step 6: Final answer
    x = 571,087,199.52

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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.