Home / 1,078,771,944.20-1,618,157,916.30-963,886,209.80

Finding the Fourth Proportional to 1,078,771,944.20, 1,618,157,916.30 and 963,886,209.80

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Solution

The fourth proportional to 1,078,771,944.20, 1,618,157,916.30 and 963,886,209.80 is: 1,445,829,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,771,944.20 : 1,618,157,916.30 = 963,886,209.80 : x
  2. Step 2: Convert to fraction form
    1,078,771,944.20/1,618,157,916.30 = 963,886,209.80/x
  3. Step 3: Cross multiply
    1,078,771,944.20x = 1,618,157,916.30 × 963,886,209.80
  4. Step 4: Simplify right side
    1,078,771,944.20x = 1,559,720,100,800,272,640
  5. Step 5: Solve for x
    x = 1,559,720,100,800,272,640/1,078,771,944.20
  6. Step 6: Final answer
    x = 1,445,829,314.70

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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.