Home / 579,525,425.88-799,672,499.31-391,762,254.24

Finding the Fourth Proportional to 579,525,425.88, 799,672,499.31 and 391,762,254.24

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Solution

The fourth proportional to 579,525,425.88, 799,672,499.31 and 391,762,254.24 is: 540,582,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,525,425.88 : 799,672,499.31 = 391,762,254.24 : x
  2. Step 2: Convert to fraction form
    579,525,425.88/799,672,499.31 = 391,762,254.24/x
  3. Step 3: Cross multiply
    579,525,425.88x = 799,672,499.31 × 391,762,254.24
  4. Step 4: Simplify right side
    579,525,425.88x = 313,281,500,983,420,416
  5. Step 5: Solve for x
    x = 313,281,500,983,420,416/579,525,425.88
  6. Step 6: Final answer
    x = 540,582,840.71

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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.