Home / 1,220,833,211.60-1,831,361,791.80-402,947,310.80

Finding the Fourth Proportional to 1,220,833,211.60, 1,831,361,791.80 and 402,947,310.80

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Solution

The fourth proportional to 1,220,833,211.60, 1,831,361,791.80 and 402,947,310.80 is: 604,457,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,833,211.60 : 1,831,361,791.80 = 402,947,310.80 : x
  2. Step 2: Convert to fraction form
    1,220,833,211.60/1,831,361,791.80 = 402,947,310.80/x
  3. Step 3: Cross multiply
    1,220,833,211.60x = 1,831,361,791.80 × 402,947,310.80
  4. Step 4: Simplify right side
    1,220,833,211.60x = 737,942,309,107,679,488
  5. Step 5: Solve for x
    x = 737,942,309,107,679,488/1,220,833,211.60
  6. Step 6: Final answer
    x = 604,457,924.39

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Double scale
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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.