Home / 548,112,332.86-821,840,158.05-174,458,809.15

Finding the Fourth Proportional to 548,112,332.86, 821,840,158.05 and 174,458,809.15

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Solution

The fourth proportional to 548,112,332.86, 821,840,158.05 and 174,458,809.15 is: 261,583,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,112,332.86 : 821,840,158.05 = 174,458,809.15 : x
  2. Step 2: Convert to fraction form
    548,112,332.86/821,840,158.05 = 174,458,809.15/x
  3. Step 3: Cross multiply
    548,112,332.86x = 821,840,158.05 × 174,458,809.15
  4. Step 4: Simplify right side
    548,112,332.86x = 143,377,255,285,050,784
  5. Step 5: Solve for x
    x = 143,377,255,285,050,784/548,112,332.86
  6. Step 6: Final answer
    x = 261,583,705.91

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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.