Home / 953,856,053.40-1,430,784,080.10-663,618,408.60

Finding the Fourth Proportional to 953,856,053.40, 1,430,784,080.10 and 663,618,408.60

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Solution

The fourth proportional to 953,856,053.40, 1,430,784,080.10 and 663,618,408.60 is: 995,427,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,856,053.40 : 1,430,784,080.10 = 663,618,408.60 : x
  2. Step 2: Convert to fraction form
    953,856,053.40/1,430,784,080.10 = 663,618,408.60/x
  3. Step 3: Cross multiply
    953,856,053.40x = 1,430,784,080.10 × 663,618,408.60
  4. Step 4: Simplify right side
    953,856,053.40x = 949,494,654,286,176,896
  5. Step 5: Solve for x
    x = 949,494,654,286,176,896/953,856,053.40
  6. Step 6: Final answer
    x = 995,427,612.90

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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.