Home / 786,724,777.56-1,085,651,738.64-434,293,204.08

Finding the Fourth Proportional to 786,724,777.56, 1,085,651,738.64 and 434,293,204.08

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Solution

The fourth proportional to 786,724,777.56, 1,085,651,738.64 and 434,293,204.08 is: 599,308,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,724,777.56 : 1,085,651,738.64 = 434,293,204.08 : x
  2. Step 2: Convert to fraction form
    786,724,777.56/1,085,651,738.64 = 434,293,204.08/x
  3. Step 3: Cross multiply
    786,724,777.56x = 1,085,651,738.64 × 434,293,204.08
  4. Step 4: Simplify right side
    786,724,777.56x = 471,491,172,088,988,352
  5. Step 5: Solve for x
    x = 471,491,172,088,988,352/786,724,777.56
  6. Step 6: Final answer
    x = 599,308,914.04

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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.