Home / 1,187,532,077.40-1,781,298,116.10-325,889,069.40

Finding the Fourth Proportional to 1,187,532,077.40, 1,781,298,116.10 and 325,889,069.40

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Solution

The fourth proportional to 1,187,532,077.40, 1,781,298,116.10 and 325,889,069.40 is: 488,833,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,532,077.40 : 1,781,298,116.10 = 325,889,069.40 : x
  2. Step 2: Convert to fraction form
    1,187,532,077.40/1,781,298,116.10 = 325,889,069.40/x
  3. Step 3: Cross multiply
    1,187,532,077.40x = 1,781,298,116.10 × 325,889,069.40
  4. Step 4: Simplify right side
    1,187,532,077.40x = 580,505,585,379,802,112
  5. Step 5: Solve for x
    x = 580,505,585,379,802,112/1,187,532,077.40
  6. Step 6: Final answer
    x = 488,833,604.10

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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.