Home / 627,446,581.11-939,352,384.91-472,652,307.90

Finding the Fourth Proportional to 627,446,581.11, 939,352,384.91 and 472,652,307.90

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Solution

The fourth proportional to 627,446,581.11, 939,352,384.91 and 472,652,307.90 is: 707,609,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,446,581.11 : 939,352,384.91 = 472,652,307.90 : x
  2. Step 2: Convert to fraction form
    627,446,581.11/939,352,384.91 = 472,652,307.90/x
  3. Step 3: Cross multiply
    627,446,581.11x = 939,352,384.91 × 472,652,307.90
  4. Step 4: Simplify right side
    627,446,581.11x = 443,987,072,656,717,312
  5. Step 5: Solve for x
    x = 443,987,072,656,717,312/627,446,581.11
  6. Step 6: Final answer
    x = 707,609,358.35

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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.