Home / 1,259,938,830.30-1,889,908,245.45-996,910,964.70

Finding the Fourth Proportional to 1,259,938,830.30, 1,889,908,245.45 and 996,910,964.70

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Solution

The fourth proportional to 1,259,938,830.30, 1,889,908,245.45 and 996,910,964.70 is: 1,495,366,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,938,830.30 : 1,889,908,245.45 = 996,910,964.70 : x
  2. Step 2: Convert to fraction form
    1,259,938,830.30/1,889,908,245.45 = 996,910,964.70/x
  3. Step 3: Cross multiply
    1,259,938,830.30x = 1,889,908,245.45 × 996,910,964.70
  4. Step 4: Simplify right side
    1,259,938,830.30x = 1,884,070,252,166,043,904
  5. Step 5: Solve for x
    x = 1,884,070,252,166,043,904/1,259,938,830.30
  6. Step 6: Final answer
    x = 1,495,366,447.05

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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.