Home / 676,770,327.82-934,249,072.52-426,242,905.88

Finding the Fourth Proportional to 676,770,327.82, 934,249,072.52 and 426,242,905.88

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Solution

The fourth proportional to 676,770,327.82, 934,249,072.52 and 426,242,905.88 is: 588,407,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,770,327.82 : 934,249,072.52 = 426,242,905.88 : x
  2. Step 2: Convert to fraction form
    676,770,327.82/934,249,072.52 = 426,242,905.88/x
  3. Step 3: Cross multiply
    676,770,327.82x = 934,249,072.52 × 426,242,905.88
  4. Step 4: Simplify right side
    676,770,327.82x = 398,217,039,486,619,648
  5. Step 5: Solve for x
    x = 398,217,039,486,619,648/676,770,327.82
  6. Step 6: Final answer
    x = 588,407,947.45

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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.