Home / 1,319,784,316.68-1,980,159,255.87-1,241,815,943.31

Finding the Fourth Proportional to 1,319,784,316.68, 1,980,159,255.87 and 1,241,815,943.31

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Solution

The fourth proportional to 1,319,784,316.68, 1,980,159,255.87 and 1,241,815,943.31 is: 1,863,178,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,784,316.68 : 1,980,159,255.87 = 1,241,815,943.31 : x
  2. Step 2: Convert to fraction form
    1,319,784,316.68/1,980,159,255.87 = 1,241,815,943.31/x
  3. Step 3: Cross multiply
    1,319,784,316.68x = 1,980,159,255.87 × 1,241,815,943.31
  4. Step 4: Simplify right side
    1,319,784,316.68x = 2,458,993,334,232,231,424
  5. Step 5: Solve for x
    x = 2,458,993,334,232,231,424/1,319,784,316.68
  6. Step 6: Final answer
    x = 1,863,178,174.76

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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.