Home / 627,837,113.70-866,408,341.12-345,573,519.76

Finding the Fourth Proportional to 627,837,113.70, 866,408,341.12 and 345,573,519.76

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Solution

The fourth proportional to 627,837,113.70, 866,408,341.12 and 345,573,519.76 is: 476,887,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,837,113.70 : 866,408,341.12 = 345,573,519.76 : x
  2. Step 2: Convert to fraction form
    627,837,113.70/866,408,341.12 = 345,573,519.76/x
  3. Step 3: Cross multiply
    627,837,113.70x = 866,408,341.12 × 345,573,519.76
  4. Step 4: Simplify right side
    627,837,113.70x = 299,407,779,990,261,120
  5. Step 5: Solve for x
    x = 299,407,779,990,261,120/627,837,113.70
  6. Step 6: Final answer
    x = 476,887,672.71

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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.