Home / 1,310,536,065.75-1,965,811,447.32-437,135,036.37

Finding the Fourth Proportional to 1,310,536,065.75, 1,965,811,447.32 and 437,135,036.37

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Solution

The fourth proportional to 1,310,536,065.75, 1,965,811,447.32 and 437,135,036.37 is: 655,705,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,065.75 : 1,965,811,447.32 = 437,135,036.37 : x
  2. Step 2: Convert to fraction form
    1,310,536,065.75/1,965,811,447.32 = 437,135,036.37/x
  3. Step 3: Cross multiply
    1,310,536,065.75x = 1,965,811,447.32 × 437,135,036.37
  4. Step 4: Simplify right side
    1,310,536,065.75x = 859,325,058,520,790,528
  5. Step 5: Solve for x
    x = 859,325,058,520,790,528/1,310,536,065.75
  6. Step 6: Final answer
    x = 655,705,005.74

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Double scale
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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.