Home / 6,641,264,929.88-9,961,916,305.86-1,919,971,193.55

Finding the Fourth Proportional to 6,641,264,929.88, 9,961,916,305.86 and 1,919,971,193.55

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Solution

The fourth proportional to 6,641,264,929.88, 9,961,916,305.86 and 1,919,971,193.55 is: 2,879,962,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,264,929.88 : 9,961,916,305.86 = 1,919,971,193.55 : x
  2. Step 2: Convert to fraction form
    6,641,264,929.88/9,961,916,305.86 = 1,919,971,193.55/x
  3. Step 3: Cross multiply
    6,641,264,929.88x = 9,961,916,305.86 × 1,919,971,193.55
  4. Step 4: Simplify right side
    6,641,264,929.88x = 19,126,592,339,807,232,000
  5. Step 5: Solve for x
    x = 19,126,592,339,807,232,000/6,641,264,929.88
  6. Step 6: Final answer
    x = 2,879,962,257.46

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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.