Home / 1,425,754,101.80-2,138,332,554.30-699,264,194.60

Finding the Fourth Proportional to 1,425,754,101.80, 2,138,332,554.30 and 699,264,194.60

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Solution

The fourth proportional to 1,425,754,101.80, 2,138,332,554.30 and 699,264,194.60 is: 1,048,749,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,754,101.80 : 2,138,332,554.30 = 699,264,194.60 : x
  2. Step 2: Convert to fraction form
    1,425,754,101.80/2,138,332,554.30 = 699,264,194.60/x
  3. Step 3: Cross multiply
    1,425,754,101.80x = 2,138,332,554.30 × 699,264,194.60
  4. Step 4: Simplify right side
    1,425,754,101.80x = 1,495,259,391,369,550,336
  5. Step 5: Solve for x
    x = 1,495,259,391,369,550,336/1,425,754,101.80
  6. Step 6: Final answer
    x = 1,048,749,843.67

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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.