Home / 1,310,536,092.76-1,965,811,487.96-437,135,063.40

Finding the Fourth Proportional to 1,310,536,092.76, 1,965,811,487.96 and 437,135,063.40

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Solution

The fourth proportional to 1,310,536,092.76, 1,965,811,487.96 and 437,135,063.40 is: 655,705,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,092.76 : 1,965,811,487.96 = 437,135,063.40 : x
  2. Step 2: Convert to fraction form
    1,310,536,092.76/1,965,811,487.96 = 437,135,063.40/x
  3. Step 3: Cross multiply
    1,310,536,092.76x = 1,965,811,487.96 × 437,135,063.40
  4. Step 4: Simplify right side
    1,310,536,092.76x = 859,325,129,421,842,944
  5. Step 5: Solve for x
    x = 859,325,129,421,842,944/1,310,536,092.76
  6. Step 6: Final answer
    x = 655,705,046.33

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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.