Home / 691,217,004.56-1,036,826,504.69-282,273,155.06

Finding the Fourth Proportional to 691,217,004.56, 1,036,826,504.69 and 282,273,155.06

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Solution

The fourth proportional to 691,217,004.56, 1,036,826,504.69 and 282,273,155.06 is: 423,410,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,217,004.56 : 1,036,826,504.69 = 282,273,155.06 : x
  2. Step 2: Convert to fraction form
    691,217,004.56/1,036,826,504.69 = 282,273,155.06/x
  3. Step 3: Cross multiply
    691,217,004.56x = 1,036,826,504.69 × 282,273,155.06
  4. Step 4: Simplify right side
    691,217,004.56x = 292,668,288,722,082,688
  5. Step 5: Solve for x
    x = 292,668,288,722,082,688/691,217,004.56
  6. Step 6: Final answer
    x = 423,410,140.08

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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.