Home / 1,123,729,862.40-1,685,594,793.60-1,100,771,611.20

Finding the Fourth Proportional to 1,123,729,862.40, 1,685,594,793.60 and 1,100,771,611.20

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Solution

The fourth proportional to 1,123,729,862.40, 1,685,594,793.60 and 1,100,771,611.20 is: 1,651,157,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,729,862.40 : 1,685,594,793.60 = 1,100,771,611.20 : x
  2. Step 2: Convert to fraction form
    1,123,729,862.40/1,685,594,793.60 = 1,100,771,611.20/x
  3. Step 3: Cross multiply
    1,123,729,862.40x = 1,685,594,793.60 × 1,100,771,611.20
  4. Step 4: Simplify right side
    1,123,729,862.40x = 1,855,454,896,781,403,392
  5. Step 5: Solve for x
    x = 1,855,454,896,781,403,392/1,123,729,862.40
  6. Step 6: Final answer
    x = 1,651,157,416.80

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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.