Home / 490,825,837.10-736,238,755.65-127,320,193.10

Finding the Fourth Proportional to 490,825,837.10, 736,238,755.65 and 127,320,193.10

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Solution

The fourth proportional to 490,825,837.10, 736,238,755.65 and 127,320,193.10 is: 190,980,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,825,837.10 : 736,238,755.65 = 127,320,193.10 : x
  2. Step 2: Convert to fraction form
    490,825,837.10/736,238,755.65 = 127,320,193.10/x
  3. Step 3: Cross multiply
    490,825,837.10x = 736,238,755.65 × 127,320,193.10
  4. Step 4: Simplify right side
    490,825,837.10x = 93,738,060,537,061,712
  5. Step 5: Solve for x
    x = 93,738,060,537,061,712/490,825,837.10
  6. Step 6: Final answer
    x = 190,980,289.65

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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.