Home / 983,617,352.55-1,475,432,370.72-393,456,895.38

Finding the Fourth Proportional to 983,617,352.55, 1,475,432,370.72 and 393,456,895.38

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Solution

The fourth proportional to 983,617,352.55, 1,475,432,370.72 and 393,456,895.38 is: 590,187,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,617,352.55 : 1,475,432,370.72 = 393,456,895.38 : x
  2. Step 2: Convert to fraction form
    983,617,352.55/1,475,432,370.72 = 393,456,895.38/x
  3. Step 3: Cross multiply
    983,617,352.55x = 1,475,432,370.72 × 393,456,895.38
  4. Step 4: Simplify right side
    983,617,352.55x = 580,519,039,926,644,480
  5. Step 5: Solve for x
    x = 580,519,039,926,644,480/983,617,352.55
  6. Step 6: Final answer
    x = 590,187,879.89

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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.