Home / 776,394,735.80-1,071,423,802.35-458,969,385.92

Finding the Fourth Proportional to 776,394,735.80, 1,071,423,802.35 and 458,969,385.92

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Solution

The fourth proportional to 776,394,735.80, 1,071,423,802.35 and 458,969,385.92 is: 633,377,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,394,735.80 : 1,071,423,802.35 = 458,969,385.92 : x
  2. Step 2: Convert to fraction form
    776,394,735.80/1,071,423,802.35 = 458,969,385.92/x
  3. Step 3: Cross multiply
    776,394,735.80x = 1,071,423,802.35 × 458,969,385.92
  4. Step 4: Simplify right side
    776,394,735.80x = 491,750,724,619,293,888
  5. Step 5: Solve for x
    x = 491,750,724,619,293,888/776,394,735.80
  6. Step 6: Final answer
    x = 633,377,200.99

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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.