Home / 1,049,768,158.20-1,574,652,237.30-636,519,636.60

Finding the Fourth Proportional to 1,049,768,158.20, 1,574,652,237.30 and 636,519,636.60

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Solution

The fourth proportional to 1,049,768,158.20, 1,574,652,237.30 and 636,519,636.60 is: 954,779,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,768,158.20 : 1,574,652,237.30 = 636,519,636.60 : x
  2. Step 2: Convert to fraction form
    1,049,768,158.20/1,574,652,237.30 = 636,519,636.60/x
  3. Step 3: Cross multiply
    1,049,768,158.20x = 1,574,652,237.30 × 636,519,636.60
  4. Step 4: Simplify right side
    1,049,768,158.20x = 1,002,297,069,857,572,992
  5. Step 5: Solve for x
    x = 1,002,297,069,857,572,992/1,049,768,158.20
  6. Step 6: Final answer
    x = 954,779,454.90

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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.