Home / 452,909,734.20-678,356,831.70-372,288,166.20

Finding the Fourth Proportional to 452,909,734.20, 678,356,831.70 and 372,288,166.20

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Solution

The fourth proportional to 452,909,734.20, 678,356,831.70 and 372,288,166.20 is: 557,603,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,909,734.20 : 678,356,831.70 = 372,288,166.20 : x
  2. Step 2: Convert to fraction form
    452,909,734.20/678,356,831.70 = 372,288,166.20/x
  3. Step 3: Cross multiply
    452,909,734.20x = 678,356,831.70 × 372,288,166.20
  4. Step 4: Simplify right side
    452,909,734.20x = 252,544,220,902,835,040
  5. Step 5: Solve for x
    x = 252,544,220,902,835,040/452,909,734.20
  6. Step 6: Final answer
    x = 557,603,870.78

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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.