Home / 1,585,298,537.48-2,187,583,977.30-916,286,921

Finding the Fourth Proportional to 1,585,298,537.48, 2,187,583,977.30 and 916,286,921

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Solution

The fourth proportional to 1,585,298,537.48, 2,187,583,977.30 and 916,286,921 is: 1,264,401,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,298,537.48 : 2,187,583,977.30 = 916,286,921 : x
  2. Step 2: Convert to fraction form
    1,585,298,537.48/2,187,583,977.30 = 916,286,921/x
  3. Step 3: Cross multiply
    1,585,298,537.48x = 2,187,583,977.30 × 916,286,921
  4. Step 4: Simplify right side
    1,585,298,537.48x = 2,004,454,586,989,150,976
  5. Step 5: Solve for x
    x = 2,004,454,586,989,150,976/1,585,298,537.48
  6. Step 6: Final answer
    x = 1,264,401,965.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.