Home / 738,420,422.85-1,107,630,537.38-301,720,655.45

Finding the Fourth Proportional to 738,420,422.85, 1,107,630,537.38 and 301,720,655.45

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Solution

The fourth proportional to 738,420,422.85, 1,107,630,537.38 and 301,720,655.45 is: 452,580,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,420,422.85 : 1,107,630,537.38 = 301,720,655.45 : x
  2. Step 2: Convert to fraction form
    738,420,422.85/1,107,630,537.38 = 301,720,655.45/x
  3. Step 3: Cross multiply
    738,420,422.85x = 1,107,630,537.38 × 301,720,655.45
  4. Step 4: Simplify right side
    738,420,422.85x = 334,195,011,727,682,560
  5. Step 5: Solve for x
    x = 334,195,011,727,682,560/738,420,422.85
  6. Step 6: Final answer
    x = 452,580,943.58

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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.