Home / 791,688,892.60-1,187,533,338.90-217,260,220.60

Finding the Fourth Proportional to 791,688,892.60, 1,187,533,338.90 and 217,260,220.60

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Solution

The fourth proportional to 791,688,892.60, 1,187,533,338.90 and 217,260,220.60 is: 325,890,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,688,892.60 : 1,187,533,338.90 = 217,260,220.60 : x
  2. Step 2: Convert to fraction form
    791,688,892.60/1,187,533,338.90 = 217,260,220.60/x
  3. Step 3: Cross multiply
    791,688,892.60x = 1,187,533,338.90 × 217,260,220.60
  4. Step 4: Simplify right side
    791,688,892.60x = 258,003,755,179,268,576
  5. Step 5: Solve for x
    x = 258,003,755,179,268,576/791,688,892.60
  6. Step 6: Final answer
    x = 325,890,330.90

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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.