Home / 905,811,090.40-1,356,940,955.52-469,398,050.88

Finding the Fourth Proportional to 905,811,090.40, 1,356,940,955.52 and 469,398,050.88

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Solution

The fourth proportional to 905,811,090.40, 1,356,940,955.52 and 469,398,050.88 is: 703,176,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,811,090.40 : 1,356,940,955.52 = 469,398,050.88 : x
  2. Step 2: Convert to fraction form
    905,811,090.40/1,356,940,955.52 = 469,398,050.88/x
  3. Step 3: Cross multiply
    905,811,090.40x = 1,356,940,955.52 × 469,398,050.88
  4. Step 4: Simplify right side
    905,811,090.40x = 636,945,439,680,332,800
  5. Step 5: Solve for x
    x = 636,945,439,680,332,800/905,811,090.40
  6. Step 6: Final answer
    x = 703,176,905.68

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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.