Home / 784,936,814.58-1,177,405,221.87-239,677,473.78

Finding the Fourth Proportional to 784,936,814.58, 1,177,405,221.87 and 239,677,473.78

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Solution

The fourth proportional to 784,936,814.58, 1,177,405,221.87 and 239,677,473.78 is: 359,516,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,936,814.58 : 1,177,405,221.87 = 239,677,473.78 : x
  2. Step 2: Convert to fraction form
    784,936,814.58/1,177,405,221.87 = 239,677,473.78/x
  3. Step 3: Cross multiply
    784,936,814.58x = 1,177,405,221.87 × 239,677,473.78
  4. Step 4: Simplify right side
    784,936,814.58x = 282,197,509,186,096,608
  5. Step 5: Solve for x
    x = 282,197,509,186,096,608/784,936,814.58
  6. Step 6: Final answer
    x = 359,516,210.66

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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.