Home / 1,319,150,383.90-1,980,678,129.45-738,045,238.30

Finding the Fourth Proportional to 1,319,150,383.90, 1,980,678,129.45 and 738,045,238.30

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Solution

The fourth proportional to 1,319,150,383.90, 1,980,678,129.45 and 738,045,238.30 is: 1,108,160,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,150,383.90 : 1,980,678,129.45 = 738,045,238.30 : x
  2. Step 2: Convert to fraction form
    1,319,150,383.90/1,980,678,129.45 = 738,045,238.30/x
  3. Step 3: Cross multiply
    1,319,150,383.90x = 1,980,678,129.45 × 738,045,238.30
  4. Step 4: Simplify right side
    1,319,150,383.90x = 1,461,830,062,045,523,456
  5. Step 5: Solve for x
    x = 1,461,830,062,045,523,456/1,319,150,383.90
  6. Step 6: Final answer
    x = 1,108,160,282.47

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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.