Home / 1,123,611,445.20-1,685,711,100.60-433,541,211.60

Finding the Fourth Proportional to 1,123,611,445.20, 1,685,711,100.60 and 433,541,211.60

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Solution

The fourth proportional to 1,123,611,445.20, 1,685,711,100.60 and 433,541,211.60 is: 650,425,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,611,445.20 : 1,685,711,100.60 = 433,541,211.60 : x
  2. Step 2: Convert to fraction form
    1,123,611,445.20/1,685,711,100.60 = 433,541,211.60/x
  3. Step 3: Cross multiply
    1,123,611,445.20x = 1,685,711,100.60 × 433,541,211.60
  4. Step 4: Simplify right side
    1,123,611,445.20x = 730,825,232,961,693,440
  5. Step 5: Solve for x
    x = 730,825,232,961,693,440/1,123,611,445.20
  6. Step 6: Final answer
    x = 650,425,230.26

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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.