Home / 1,310,536,017.08-1,965,811,374.46-437,134,987.67

Finding the Fourth Proportional to 1,310,536,017.08, 1,965,811,374.46 and 437,134,987.67

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Solution

The fourth proportional to 1,310,536,017.08, 1,965,811,374.46 and 437,134,987.67 is: 655,704,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,017.08 : 1,965,811,374.46 = 437,134,987.67 : x
  2. Step 2: Convert to fraction form
    1,310,536,017.08/1,965,811,374.46 = 437,134,987.67/x
  3. Step 3: Cross multiply
    1,310,536,017.08x = 1,965,811,374.46 × 437,134,987.67
  4. Step 4: Simplify right side
    1,310,536,017.08x = 859,324,930,936,117,888
  5. Step 5: Solve for x
    x = 859,324,930,936,117,888/1,310,536,017.08
  6. Step 6: Final answer
    x = 655,704,932.74

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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.