Home / 753,799,245.61-1,040,228,041.75-419,264,571.91

Finding the Fourth Proportional to 753,799,245.61, 1,040,228,041.75 and 419,264,571.91

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Solution

The fourth proportional to 753,799,245.61, 1,040,228,041.75 and 419,264,571.91 is: 578,576,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,799,245.61 : 1,040,228,041.75 = 419,264,571.91 : x
  2. Step 2: Convert to fraction form
    753,799,245.61/1,040,228,041.75 = 419,264,571.91/x
  3. Step 3: Cross multiply
    753,799,245.61x = 1,040,228,041.75 × 419,264,571.91
  4. Step 4: Simplify right side
    753,799,245.61x = 436,130,764,613,091,392
  5. Step 5: Solve for x
    x = 436,130,764,613,091,392/753,799,245.61
  6. Step 6: Final answer
    x = 578,576,812.27

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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.