Home / 786,640,181.31-1,085,563,286.19-434,216,080.08

Finding the Fourth Proportional to 786,640,181.31, 1,085,563,286.19 and 434,216,080.08

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Solution

The fourth proportional to 786,640,181.31, 1,085,563,286.19 and 434,216,080.08 is: 599,218,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,640,181.31 : 1,085,563,286.19 = 434,216,080.08 : x
  2. Step 2: Convert to fraction form
    786,640,181.31/1,085,563,286.19 = 434,216,080.08/x
  3. Step 3: Cross multiply
    786,640,181.31x = 1,085,563,286.19 × 434,216,080.08
  4. Step 4: Simplify right side
    786,640,181.31x = 471,369,034,808,185,024
  5. Step 5: Solve for x
    x = 471,369,034,808,185,024/786,640,181.31
  6. Step 6: Final answer
    x = 599,218,099.97

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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.