Home / 627,446,609.10-939,352,426.79-472,652,335.67

Finding the Fourth Proportional to 627,446,609.10, 939,352,426.79 and 472,652,335.67

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Solution

The fourth proportional to 627,446,609.10, 939,352,426.79 and 472,652,335.67 is: 707,609,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,446,609.10 : 939,352,426.79 = 472,652,335.67 : x
  2. Step 2: Convert to fraction form
    627,446,609.10/939,352,426.79 = 472,652,335.67/x
  3. Step 3: Cross multiply
    627,446,609.10x = 939,352,426.79 × 472,652,335.67
  4. Step 4: Simplify right side
    627,446,609.10x = 443,987,118,532,516,160
  5. Step 5: Solve for x
    x = 443,987,118,532,516,160/627,446,609.10
  6. Step 6: Final answer
    x = 707,609,399.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.