Home / 1,274,379,890.56-1,911,771,389.76-456,474,083.20

Finding the Fourth Proportional to 1,274,379,890.56, 1,911,771,389.76 and 456,474,083.20

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Solution

The fourth proportional to 1,274,379,890.56, 1,911,771,389.76 and 456,474,083.20 is: 684,783,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,379,890.56 : 1,911,771,389.76 = 456,474,083.20 : x
  2. Step 2: Convert to fraction form
    1,274,379,890.56/1,911,771,389.76 = 456,474,083.20/x
  3. Step 3: Cross multiply
    1,274,379,890.56x = 1,911,771,389.76 × 456,474,083.20
  4. Step 4: Simplify right side
    1,274,379,890.56x = 872,674,092,428,685,824
  5. Step 5: Solve for x
    x = 872,674,092,428,685,824/1,274,379,890.56
  6. Step 6: Final answer
    x = 684,783,320.02

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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.