Home / 930,306,317.80-1,283,764,872.88-512,595,227.56

Finding the Fourth Proportional to 930,306,317.80, 1,283,764,872.88 and 512,595,227.56

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Solution

The fourth proportional to 930,306,317.80, 1,283,764,872.88 and 512,595,227.56 is: 707,349,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,306,317.80 : 1,283,764,872.88 = 512,595,227.56 : x
  2. Step 2: Convert to fraction form
    930,306,317.80/1,283,764,872.88 = 512,595,227.56/x
  3. Step 3: Cross multiply
    930,306,317.80x = 1,283,764,872.88 × 512,595,227.56
  4. Step 4: Simplify right side
    930,306,317.80x = 658,051,747,147,458,176
  5. Step 5: Solve for x
    x = 658,051,747,147,458,176/930,306,317.80
  6. Step 6: Final answer
    x = 707,349,541.28

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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.