Home / 676,770,325.82-934,249,069.76-426,242,903.88

Finding the Fourth Proportional to 676,770,325.82, 934,249,069.76 and 426,242,903.88

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Solution

The fourth proportional to 676,770,325.82, 934,249,069.76 and 426,242,903.88 is: 588,407,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,770,325.82 : 934,249,069.76 = 426,242,903.88 : x
  2. Step 2: Convert to fraction form
    676,770,325.82/934,249,069.76 = 426,242,903.88/x
  3. Step 3: Cross multiply
    676,770,325.82x = 934,249,069.76 × 426,242,903.88
  4. Step 4: Simplify right side
    676,770,325.82x = 398,217,036,439,559,872
  5. Step 5: Solve for x
    x = 398,217,036,439,559,872/676,770,325.82
  6. Step 6: Final answer
    x = 588,407,944.69

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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.