Home / 1,078,771,951.20-1,618,157,926.80-963,886,216.80

Finding the Fourth Proportional to 1,078,771,951.20, 1,618,157,926.80 and 963,886,216.80

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Solution

The fourth proportional to 1,078,771,951.20, 1,618,157,926.80 and 963,886,216.80 is: 1,445,829,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,771,951.20 : 1,618,157,926.80 = 963,886,216.80 : x
  2. Step 2: Convert to fraction form
    1,078,771,951.20/1,618,157,926.80 = 963,886,216.80/x
  3. Step 3: Cross multiply
    1,078,771,951.20x = 1,618,157,926.80 × 963,886,216.80
  4. Step 4: Simplify right side
    1,078,771,951.20x = 1,559,720,122,248,183,296
  5. Step 5: Solve for x
    x = 1,559,720,122,248,183,296/1,078,771,951.20
  6. Step 6: Final answer
    x = 1,445,829,325.20

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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.