Home / 837,808,435.01-1,156,175,585.46-485,588,729.39

Finding the Fourth Proportional to 837,808,435.01, 1,156,175,585.46 and 485,588,729.39

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Solution

The fourth proportional to 837,808,435.01, 1,156,175,585.46 and 485,588,729.39 is: 670,112,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,808,435.01 : 1,156,175,585.46 = 485,588,729.39 : x
  2. Step 2: Convert to fraction form
    837,808,435.01/1,156,175,585.46 = 485,588,729.39/x
  3. Step 3: Cross multiply
    837,808,435.01x = 1,156,175,585.46 × 485,588,729.39
  4. Step 4: Simplify right side
    837,808,435.01x = 561,425,833,489,479,872
  5. Step 5: Solve for x
    x = 561,425,833,489,479,872/837,808,435.01
  6. Step 6: Final answer
    x = 670,112,414.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.