Home / 872,293,977.19-1,308,452,362.70-290,028,222.73

Finding the Fourth Proportional to 872,293,977.19, 1,308,452,362.70 and 290,028,222.73

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Solution

The fourth proportional to 872,293,977.19, 1,308,452,362.70 and 290,028,222.73 is: 435,046,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,293,977.19 : 1,308,452,362.70 = 290,028,222.73 : x
  2. Step 2: Convert to fraction form
    872,293,977.19/1,308,452,362.70 = 290,028,222.73/x
  3. Step 3: Cross multiply
    872,293,977.19x = 1,308,452,362.70 × 290,028,222.73
  4. Step 4: Simplify right side
    872,293,977.19x = 379,488,113,276,029,056
  5. Step 5: Solve for x
    x = 379,488,113,276,029,056/872,293,977.19
  6. Step 6: Final answer
    x = 435,046,123.44

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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.