Home / 695,520,215.40-1,043,280,323.10-491,446,871.40

Finding the Fourth Proportional to 695,520,215.40, 1,043,280,323.10 and 491,446,871.40

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Solution

The fourth proportional to 695,520,215.40, 1,043,280,323.10 and 491,446,871.40 is: 737,170,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,520,215.40 : 1,043,280,323.10 = 491,446,871.40 : x
  2. Step 2: Convert to fraction form
    695,520,215.40/1,043,280,323.10 = 491,446,871.40/x
  3. Step 3: Cross multiply
    695,520,215.40x = 1,043,280,323.10 × 491,446,871.40
  4. Step 4: Simplify right side
    695,520,215.40x = 512,716,850,780,676,160
  5. Step 5: Solve for x
    x = 512,716,850,780,676,160/695,520,215.40
  6. Step 6: Final answer
    x = 737,170,307.10

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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.