Home / 718,983,863.80-1,078,537,200.43-252,604,774.26

Finding the Fourth Proportional to 718,983,863.80, 1,078,537,200.43 and 252,604,774.26

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Solution

The fourth proportional to 718,983,863.80, 1,078,537,200.43 and 252,604,774.26 is: 378,928,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,983,863.80 : 1,078,537,200.43 = 252,604,774.26 : x
  2. Step 2: Convert to fraction form
    718,983,863.80/1,078,537,200.43 = 252,604,774.26/x
  3. Step 3: Cross multiply
    718,983,863.80x = 1,078,537,200.43 × 252,604,774.26
  4. Step 4: Simplify right side
    718,983,863.80x = 272,443,646,045,455,712
  5. Step 5: Solve for x
    x = 272,443,646,045,455,712/718,983,863.80
  6. Step 6: Final answer
    x = 378,928,735.07

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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.