Home / 827,281,782.79-1,141,614,507.87-450,930,088.53

Finding the Fourth Proportional to 827,281,782.79, 1,141,614,507.87 and 450,930,088.53

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Solution

The fourth proportional to 827,281,782.79, 1,141,614,507.87 and 450,930,088.53 is: 622,264,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,281,782.79 : 1,141,614,507.87 = 450,930,088.53 : x
  2. Step 2: Convert to fraction form
    827,281,782.79/1,141,614,507.87 = 450,930,088.53/x
  3. Step 3: Cross multiply
    827,281,782.79x = 1,141,614,507.87 × 450,930,088.53
  4. Step 4: Simplify right side
    827,281,782.79x = 514,788,331,100,951,424
  5. Step 5: Solve for x
    x = 514,788,331,100,951,424/827,281,782.79
  6. Step 6: Final answer
    x = 622,264,797.57

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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.