Home / 839,732,037.60-1,258,674,267.60-294,192,760.80

Finding the Fourth Proportional to 839,732,037.60, 1,258,674,267.60 and 294,192,760.80

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Solution

The fourth proportional to 839,732,037.60, 1,258,674,267.60 and 294,192,760.80 is: 440,965,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,732,037.60 : 1,258,674,267.60 = 294,192,760.80 : x
  2. Step 2: Convert to fraction form
    839,732,037.60/1,258,674,267.60 = 294,192,760.80/x
  3. Step 3: Cross multiply
    839,732,037.60x = 1,258,674,267.60 × 294,192,760.80
  4. Step 4: Simplify right side
    839,732,037.60x = 370,292,857,733,161,984
  5. Step 5: Solve for x
    x = 370,292,857,733,161,984/839,732,037.60
  6. Step 6: Final answer
    x = 440,965,499.89

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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.