Home / 577,370,014.20-866,055,021.30-347,787,502.20

Finding the Fourth Proportional to 577,370,014.20, 866,055,021.30 and 347,787,502.20

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Solution

The fourth proportional to 577,370,014.20, 866,055,021.30 and 347,787,502.20 is: 521,681,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,370,014.20 : 866,055,021.30 = 347,787,502.20 : x
  2. Step 2: Convert to fraction form
    577,370,014.20/866,055,021.30 = 347,787,502.20/x
  3. Step 3: Cross multiply
    577,370,014.20x = 866,055,021.30 × 347,787,502.20
  4. Step 4: Simplify right side
    577,370,014.20x = 301,203,112,625,694,784
  5. Step 5: Solve for x
    x = 301,203,112,625,694,784/577,370,014.20
  6. Step 6: Final answer
    x = 521,681,253.30

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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.