Home / 377,584,133.16-521,138,481.60-212,571,702.72

Finding the Fourth Proportional to 377,584,133.16, 521,138,481.60 and 212,571,702.72

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Solution

The fourth proportional to 377,584,133.16, 521,138,481.60 and 212,571,702.72 is: 293,389,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,584,133.16 : 521,138,481.60 = 212,571,702.72 : x
  2. Step 2: Convert to fraction form
    377,584,133.16/521,138,481.60 = 212,571,702.72/x
  3. Step 3: Cross multiply
    377,584,133.16x = 521,138,481.60 × 212,571,702.72
  4. Step 4: Simplify right side
    377,584,133.16x = 110,779,294,386,627,392
  5. Step 5: Solve for x
    x = 110,779,294,386,627,392/377,584,133.16
  6. Step 6: Final answer
    x = 293,389,696.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.