Home / 772,142,152,921.92-1,158,473,880,265-341,819,878,824

Finding the Fourth Proportional to 772,142,152,921.92, 1,158,473,880,265 and 341,819,878,824

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Solution

The fourth proportional to 772,142,152,921.92, 1,158,473,880,265 and 341,819,878,824 is: 512,845,205,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,142,152,921.92 : 1,158,473,880,265 = 341,819,878,824 : x
  2. Step 2: Convert to fraction form
    772,142,152,921.92/1,158,473,880,265 = 341,819,878,824/x
  3. Step 3: Cross multiply
    772,142,152,921.92x = 1,158,473,880,265 × 341,819,878,824
  4. Step 4: Simplify right side
    772,142,152,921.92x = 395,989,401,372,951,385,735,168
  5. Step 5: Solve for x
    x = 395,989,401,372,951,385,735,168/772,142,152,921.92
  6. Step 6: Final answer
    x = 512,845,205,865.86

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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.