Home / 947,684,236.86-1,420,756,203.21-395,398,327.50

Finding the Fourth Proportional to 947,684,236.86, 1,420,756,203.21 and 395,398,327.50

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Solution

The fourth proportional to 947,684,236.86, 1,420,756,203.21 and 395,398,327.50 is: 592,776,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,684,236.86 : 1,420,756,203.21 = 395,398,327.50 : x
  2. Step 2: Convert to fraction form
    947,684,236.86/1,420,756,203.21 = 395,398,327.50/x
  3. Step 3: Cross multiply
    947,684,236.86x = 1,420,756,203.21 × 395,398,327.50
  4. Step 4: Simplify right side
    947,684,236.86x = 561,764,626,534,484,160
  5. Step 5: Solve for x
    x = 561,764,626,534,484,160/947,684,236.86
  6. Step 6: Final answer
    x = 592,776,163.92

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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.