Home / 1,078,771,940.20-1,618,157,910.30-963,886,205.80

Finding the Fourth Proportional to 1,078,771,940.20, 1,618,157,910.30 and 963,886,205.80

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Solution

The fourth proportional to 1,078,771,940.20, 1,618,157,910.30 and 963,886,205.80 is: 1,445,829,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,771,940.20 : 1,618,157,910.30 = 963,886,205.80 : x
  2. Step 2: Convert to fraction form
    1,078,771,940.20/1,618,157,910.30 = 963,886,205.80/x
  3. Step 3: Cross multiply
    1,078,771,940.20x = 1,618,157,910.30 × 963,886,205.80
  4. Step 4: Simplify right side
    1,078,771,940.20x = 1,559,720,088,544,323,584
  5. Step 5: Solve for x
    x = 1,559,720,088,544,323,584/1,078,771,940.20
  6. Step 6: Final answer
    x = 1,445,829,308.70

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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.