Home / 786,764,431.34-1,085,706,475.26-434,332,869.62

Finding the Fourth Proportional to 786,764,431.34, 1,085,706,475.26 and 434,332,869.62

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Solution

The fourth proportional to 786,764,431.34, 1,085,706,475.26 and 434,332,869.62 is: 599,363,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,764,431.34 : 1,085,706,475.26 = 434,332,869.62 : x
  2. Step 2: Convert to fraction form
    786,764,431.34/1,085,706,475.26 = 434,332,869.62/x
  3. Step 3: Cross multiply
    786,764,431.34x = 1,085,706,475.26 × 434,332,869.62
  4. Step 4: Simplify right side
    786,764,431.34x = 471,558,008,964,691,328
  5. Step 5: Solve for x
    x = 471,558,008,964,691,328/786,764,431.34
  6. Step 6: Final answer
    x = 599,363,659.80

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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.