Home / 568,425,360-784,429,358.76-307,664,976

Finding the Fourth Proportional to 568,425,360, 784,429,358.76 and 307,664,976

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Solution

The fourth proportional to 568,425,360, 784,429,358.76 and 307,664,976 is: 424,578,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,425,360 : 784,429,358.76 = 307,664,976 : x
  2. Step 2: Convert to fraction form
    568,425,360/784,429,358.76 = 307,664,976/x
  3. Step 3: Cross multiply
    568,425,360x = 784,429,358.76 × 307,664,976
  4. Step 4: Simplify right side
    568,425,360x = 241,341,439,836,590,784
  5. Step 5: Solve for x
    x = 241,341,439,836,590,784/568,425,360
  6. Step 6: Final answer
    x = 424,578,945.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.