Home / 646,883,408.80-970,325,113.20-629,877,296.80

Finding the Fourth Proportional to 646,883,408.80, 970,325,113.20 and 629,877,296.80

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Solution

The fourth proportional to 646,883,408.80, 970,325,113.20 and 629,877,296.80 is: 944,815,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,883,408.80 : 970,325,113.20 = 629,877,296.80 : x
  2. Step 2: Convert to fraction form
    646,883,408.80/970,325,113.20 = 629,877,296.80/x
  3. Step 3: Cross multiply
    646,883,408.80x = 970,325,113.20 × 629,877,296.80
  4. Step 4: Simplify right side
    646,883,408.80x = 611,185,759,319,569,920
  5. Step 5: Solve for x
    x = 611,185,759,319,569,920/646,883,408.80
  6. Step 6: Final answer
    x = 944,815,945.20

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Double scale
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Similar ratio
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1.5x scale

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.