Home / 1,047,243,920.74-1,570,393,156.96-300,088,796.82

Finding the Fourth Proportional to 1,047,243,920.74, 1,570,393,156.96 and 300,088,796.82

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Solution

The fourth proportional to 1,047,243,920.74, 1,570,393,156.96 and 300,088,796.82 is: 449,997,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,243,920.74 : 1,570,393,156.96 = 300,088,796.82 : x
  2. Step 2: Convert to fraction form
    1,047,243,920.74/1,570,393,156.96 = 300,088,796.82/x
  3. Step 3: Cross multiply
    1,047,243,920.74x = 1,570,393,156.96 × 300,088,796.82
  4. Step 4: Simplify right side
    1,047,243,920.74x = 471,257,393,002,944,128
  5. Step 5: Solve for x
    x = 471,257,393,002,944,128/1,047,243,920.74
  6. Step 6: Final answer
    x = 449,997,735.65

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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.