Home / 982,432,835.30-1,355,876,198.50-559,149,417.28

Finding the Fourth Proportional to 982,432,835.30, 1,355,876,198.50 and 559,149,417.28

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Solution

The fourth proportional to 982,432,835.30, 1,355,876,198.50 and 559,149,417.28 is: 771,693,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,432,835.30 : 1,355,876,198.50 = 559,149,417.28 : x
  2. Step 2: Convert to fraction form
    982,432,835.30/1,355,876,198.50 = 559,149,417.28/x
  3. Step 3: Cross multiply
    982,432,835.30x = 1,355,876,198.50 × 559,149,417.28
  4. Step 4: Simplify right side
    982,432,835.30x = 758,137,386,295,096,576
  5. Step 5: Solve for x
    x = 758,137,386,295,096,576/982,432,835.30
  6. Step 6: Final answer
    x = 771,693,859.42

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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.