Home / 738,420,422.88-1,107,630,537.42-301,720,655.48

Finding the Fourth Proportional to 738,420,422.88, 1,107,630,537.42 and 301,720,655.48

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Solution

The fourth proportional to 738,420,422.88, 1,107,630,537.42 and 301,720,655.48 is: 452,580,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,420,422.88 : 1,107,630,537.42 = 301,720,655.48 : x
  2. Step 2: Convert to fraction form
    738,420,422.88/1,107,630,537.42 = 301,720,655.48/x
  3. Step 3: Cross multiply
    738,420,422.88x = 1,107,630,537.42 × 301,720,655.48
  4. Step 4: Simplify right side
    738,420,422.88x = 334,195,011,775,605,312
  5. Step 5: Solve for x
    x = 334,195,011,775,605,312/738,420,422.88
  6. Step 6: Final answer
    x = 452,580,943.62

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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.