Home / 1,251,606,842.20-1,878,082,109.70-524,669,037.40

Finding the Fourth Proportional to 1,251,606,842.20, 1,878,082,109.70 and 524,669,037.40

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Solution

The fourth proportional to 1,251,606,842.20, 1,878,082,109.70 and 524,669,037.40 is: 787,285,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,606,842.20 : 1,878,082,109.70 = 524,669,037.40 : x
  2. Step 2: Convert to fraction form
    1,251,606,842.20/1,878,082,109.70 = 524,669,037.40/x
  3. Step 3: Cross multiply
    1,251,606,842.20x = 1,878,082,109.70 × 524,669,037.40
  4. Step 4: Simplify right side
    1,251,606,842.20x = 985,371,532,654,460,160
  5. Step 5: Solve for x
    x = 985,371,532,654,460,160/1,251,606,842.20
  6. Step 6: Final answer
    x = 787,285,191.67

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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.