Home / 1,838,353,639.30-2,536,924,567.53-1,002,978,775.78

Finding the Fourth Proportional to 1,838,353,639.30, 2,536,924,567.53 and 1,002,978,775.78

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Solution

The fourth proportional to 1,838,353,639.30, 2,536,924,567.53 and 1,002,978,775.78 is: 1,384,108,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,353,639.30 : 2,536,924,567.53 = 1,002,978,775.78 : x
  2. Step 2: Convert to fraction form
    1,838,353,639.30/2,536,924,567.53 = 1,002,978,775.78/x
  3. Step 3: Cross multiply
    1,838,353,639.30x = 2,536,924,567.53 × 1,002,978,775.78
  4. Step 4: Simplify right side
    1,838,353,639.30x = 2,544,481,496,987,445,248
  5. Step 5: Solve for x
    x = 2,544,481,496,987,445,248/1,838,353,639.30
  6. Step 6: Final answer
    x = 1,384,108,825.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.