Home / 497,389,378.70-746,084,068.05-156,987,202.70

Finding the Fourth Proportional to 497,389,378.70, 746,084,068.05 and 156,987,202.70

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Solution

The fourth proportional to 497,389,378.70, 746,084,068.05 and 156,987,202.70 is: 235,480,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,389,378.70 : 746,084,068.05 = 156,987,202.70 : x
  2. Step 2: Convert to fraction form
    497,389,378.70/746,084,068.05 = 156,987,202.70/x
  3. Step 3: Cross multiply
    497,389,378.70x = 746,084,068.05 × 156,987,202.70
  4. Step 4: Simplify right side
    497,389,378.70x = 117,125,650,822,205,920
  5. Step 5: Solve for x
    x = 117,125,650,822,205,920/497,389,378.70
  6. Step 6: Final answer
    x = 235,480,804.05

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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.