Home / 940,909,628.55-1,411,525,234.87-387,909,759.07

Finding the Fourth Proportional to 940,909,628.55, 1,411,525,234.87 and 387,909,759.07

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Solution

The fourth proportional to 940,909,628.55, 1,411,525,234.87 and 387,909,759.07 is: 581,930,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,909,628.55 : 1,411,525,234.87 = 387,909,759.07 : x
  2. Step 2: Convert to fraction form
    940,909,628.55/1,411,525,234.87 = 387,909,759.07/x
  3. Step 3: Cross multiply
    940,909,628.55x = 1,411,525,234.87 × 387,909,759.07
  4. Step 4: Simplify right side
    940,909,628.55x = 547,544,413,780,441,536
  5. Step 5: Solve for x
    x = 547,544,413,780,441,536/940,909,628.55
  6. Step 6: Final answer
    x = 581,930,928.50

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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.