Home / 561,954,808,730.40-841,480,491,250.05-387,841,840,245.72

Finding the Fourth Proportional to 561,954,808,730.40, 841,480,491,250.05 and 387,841,840,245.72

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Solution

The fourth proportional to 561,954,808,730.40, 841,480,491,250.05 and 387,841,840,245.72 is: 580,760,831,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,954,808,730.40 : 841,480,491,250.05 = 387,841,840,245.72 : x
  2. Step 2: Convert to fraction form
    561,954,808,730.40/841,480,491,250.05 = 387,841,840,245.72/x
  3. Step 3: Cross multiply
    561,954,808,730.40x = 841,480,491,250.05 × 387,841,840,245.72
  4. Step 4: Simplify right side
    561,954,808,730.40x = 326,361,342,257,291,878,989,824
  5. Step 5: Solve for x
    x = 326,361,342,257,291,878,989,824/561,954,808,730.40
  6. Step 6: Final answer
    x = 580,760,831,986.87

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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.