Home / 331,872,056.40-497,658,785.40-127,332,152.40

Finding the Fourth Proportional to 331,872,056.40, 497,658,785.40 and 127,332,152.40

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Solution

The fourth proportional to 331,872,056.40, 497,658,785.40 and 127,332,152.40 is: 190,940,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,872,056.40 : 497,658,785.40 = 127,332,152.40 : x
  2. Step 2: Convert to fraction form
    331,872,056.40/497,658,785.40 = 127,332,152.40/x
  3. Step 3: Cross multiply
    331,872,056.40x = 497,658,785.40 × 127,332,152.40
  4. Step 4: Simplify right side
    331,872,056.40x = 63,367,964,305,751,696
  5. Step 5: Solve for x
    x = 63,367,964,305,751,696/331,872,056.40
  6. Step 6: Final answer
    x = 190,940,945.72

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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.