Home / 786,640,183.32-1,085,563,288.96-434,216,082.08

Finding the Fourth Proportional to 786,640,183.32, 1,085,563,288.96 and 434,216,082.08

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Solution

The fourth proportional to 786,640,183.32, 1,085,563,288.96 and 434,216,082.08 is: 599,218,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,640,183.32 : 1,085,563,288.96 = 434,216,082.08 : x
  2. Step 2: Convert to fraction form
    786,640,183.32/1,085,563,288.96 = 434,216,082.08/x
  3. Step 3: Cross multiply
    786,640,183.32x = 1,085,563,288.96 × 434,216,082.08
  4. Step 4: Simplify right side
    786,640,183.32x = 471,369,038,182,090,112
  5. Step 5: Solve for x
    x = 471,369,038,182,090,112/786,640,183.32
  6. Step 6: Final answer
    x = 599,218,102.73

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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.