Home / 1,180,323,965.75-1,770,570,979.20-453,312,677.75

Finding the Fourth Proportional to 1,180,323,965.75, 1,770,570,979.20 and 453,312,677.75

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Solution

The fourth proportional to 1,180,323,965.75, 1,770,570,979.20 and 453,312,677.75 is: 680,001,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,323,965.75 : 1,770,570,979.20 = 453,312,677.75 : x
  2. Step 2: Convert to fraction form
    1,180,323,965.75/1,770,570,979.20 = 453,312,677.75/x
  3. Step 3: Cross multiply
    1,180,323,965.75x = 1,770,570,979.20 × 453,312,677.75
  4. Step 4: Simplify right side
    1,180,323,965.75x = 802,622,271,727,591,552
  5. Step 5: Solve for x
    x = 802,622,271,727,591,552/1,180,323,965.75
  6. Step 6: Final answer
    x = 680,001,673.28

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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.