Home / 568,425,359-784,429,357.38-307,664,975

Finding the Fourth Proportional to 568,425,359, 784,429,357.38 and 307,664,975

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Solution

The fourth proportional to 568,425,359, 784,429,357.38 and 307,664,975 is: 424,578,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,425,359 : 784,429,357.38 = 307,664,975 : x
  2. Step 2: Convert to fraction form
    568,425,359/784,429,357.38 = 307,664,975/x
  3. Step 3: Cross multiply
    568,425,359x = 784,429,357.38 × 307,664,975
  4. Step 4: Simplify right side
    568,425,359x = 241,341,438,627,583,776
  5. Step 5: Solve for x
    x = 241,341,438,627,583,776/568,425,359
  6. Step 6: Final answer
    x = 424,578,943.93

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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.