Home / 219,912,698,507.60-329,869,047,761.40-87,414,891,269.60

Finding the Fourth Proportional to 219,912,698,507.60, 329,869,047,761.40 and 87,414,891,269.60

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Solution

The fourth proportional to 219,912,698,507.60, 329,869,047,761.40 and 87,414,891,269.60 is: 131,122,336,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,912,698,507.60 : 329,869,047,761.40 = 87,414,891,269.60 : x
  2. Step 2: Convert to fraction form
    219,912,698,507.60/329,869,047,761.40 = 87,414,891,269.60/x
  3. Step 3: Cross multiply
    219,912,698,507.60x = 329,869,047,761.40 × 87,414,891,269.60
  4. Step 4: Simplify right side
    219,912,698,507.60x = 28,835,466,943,269,273,862,144
  5. Step 5: Solve for x
    x = 28,835,466,943,269,273,862,144/219,912,698,507.60
  6. Step 6: Final answer
    x = 131,122,336,904.40

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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.