Home / 627,837,038.44-866,408,237.22-345,573,444.28

Finding the Fourth Proportional to 627,837,038.44, 866,408,237.22 and 345,573,444.28

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Solution

The fourth proportional to 627,837,038.44, 866,408,237.22 and 345,573,444.28 is: 476,887,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,837,038.44 : 866,408,237.22 = 345,573,444.28 : x
  2. Step 2: Convert to fraction form
    627,837,038.44/866,408,237.22 = 345,573,444.28/x
  3. Step 3: Cross multiply
    627,837,038.44x = 866,408,237.22 × 345,573,444.28
  4. Step 4: Simplify right side
    627,837,038.44x = 299,407,678,688,678,656
  5. Step 5: Solve for x
    x = 299,407,678,688,678,656/627,837,038.44
  6. Step 6: Final answer
    x = 476,887,568.52

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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.