Home / 733,130,281.40-1,099,695,422.10-423,193,890.20

Finding the Fourth Proportional to 733,130,281.40, 1,099,695,422.10 and 423,193,890.20

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Solution

The fourth proportional to 733,130,281.40, 1,099,695,422.10 and 423,193,890.20 is: 634,790,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,130,281.40 : 1,099,695,422.10 = 423,193,890.20 : x
  2. Step 2: Convert to fraction form
    733,130,281.40/1,099,695,422.10 = 423,193,890.20/x
  3. Step 3: Cross multiply
    733,130,281.40x = 1,099,695,422.10 × 423,193,890.20
  4. Step 4: Simplify right side
    733,130,281.40x = 465,384,383,713,630,016
  5. Step 5: Solve for x
    x = 465,384,383,713,630,016/733,130,281.40
  6. Step 6: Final answer
    x = 634,790,835.30

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Double scale
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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.