Home / 1,438,643,717.40-2,157,965,576.10-973,739,130.60

Finding the Fourth Proportional to 1,438,643,717.40, 2,157,965,576.10 and 973,739,130.60

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Solution

The fourth proportional to 1,438,643,717.40, 2,157,965,576.10 and 973,739,130.60 is: 1,460,608,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,643,717.40 : 2,157,965,576.10 = 973,739,130.60 : x
  2. Step 2: Convert to fraction form
    1,438,643,717.40/2,157,965,576.10 = 973,739,130.60/x
  3. Step 3: Cross multiply
    1,438,643,717.40x = 2,157,965,576.10 × 973,739,130.60
  4. Step 4: Simplify right side
    1,438,643,717.40x = 2,101,295,523,936,342,016
  5. Step 5: Solve for x
    x = 2,101,295,523,936,342,016/1,438,643,717.40
  6. Step 6: Final answer
    x = 1,460,608,695.90

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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.