Home / 579,525,426.88-799,672,500.68-391,762,255.24

Finding the Fourth Proportional to 579,525,426.88, 799,672,500.68 and 391,762,255.24

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Solution

The fourth proportional to 579,525,426.88, 799,672,500.68 and 391,762,255.24 is: 540,582,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,525,426.88 : 799,672,500.68 = 391,762,255.24 : x
  2. Step 2: Convert to fraction form
    579,525,426.88/799,672,500.68 = 391,762,255.24/x
  3. Step 3: Cross multiply
    579,525,426.88x = 799,672,500.68 × 391,762,255.24
  4. Step 4: Simplify right side
    579,525,426.88x = 313,281,502,319,807,232
  5. Step 5: Solve for x
    x = 313,281,502,319,807,232/579,525,426.88
  6. Step 6: Final answer
    x = 540,582,842.08

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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.