Home / 786,764,425.34-1,085,706,466.98-434,332,863.61

Finding the Fourth Proportional to 786,764,425.34, 1,085,706,466.98 and 434,332,863.61

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Solution

The fourth proportional to 786,764,425.34, 1,085,706,466.98 and 434,332,863.61 is: 599,363,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,764,425.34 : 1,085,706,466.98 = 434,332,863.61 : x
  2. Step 2: Convert to fraction form
    786,764,425.34/1,085,706,466.98 = 434,332,863.61/x
  3. Step 3: Cross multiply
    786,764,425.34x = 1,085,706,466.98 × 434,332,863.61
  4. Step 4: Simplify right side
    786,764,425.34x = 471,557,998,843,319,360
  5. Step 5: Solve for x
    x = 471,557,998,843,319,360/786,764,425.34
  6. Step 6: Final answer
    x = 599,363,651.50

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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.