Home / 442,880,572.80-664,320,859.20-119,764,444.80

Finding the Fourth Proportional to 442,880,572.80, 664,320,859.20 and 119,764,444.80

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Solution

The fourth proportional to 442,880,572.80, 664,320,859.20 and 119,764,444.80 is: 179,646,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880,572.80 : 664,320,859.20 = 119,764,444.80 : x
  2. Step 2: Convert to fraction form
    442,880,572.80/664,320,859.20 = 119,764,444.80/x
  3. Step 3: Cross multiply
    442,880,572.80x = 664,320,859.20 × 119,764,444.80
  4. Step 4: Simplify right side
    442,880,572.80x = 79,562,018,871,146,976
  5. Step 5: Solve for x
    x = 79,562,018,871,146,976/442,880,572.80
  6. Step 6: Final answer
    x = 179,646,667.20

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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.