Home / 1,027,638,649.12-1,418,142,704.88-557,739,970.24

Finding the Fourth Proportional to 1,027,638,649.12, 1,418,142,704.88 and 557,739,970.24

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Solution

The fourth proportional to 1,027,638,649.12, 1,418,142,704.88 and 557,739,970.24 is: 769,681,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,638,649.12 : 1,418,142,704.88 = 557,739,970.24 : x
  2. Step 2: Convert to fraction form
    1,027,638,649.12/1,418,142,704.88 = 557,739,970.24/x
  3. Step 3: Cross multiply
    1,027,638,649.12x = 1,418,142,704.88 × 557,739,970.24
  4. Step 4: Simplify right side
    1,027,638,649.12x = 790,954,870,015,844,352
  5. Step 5: Solve for x
    x = 790,954,870,015,844,352/1,027,638,649.12
  6. Step 6: Final answer
    x = 769,681,901.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.