Home / 776,161,551.87-1,163,668,368.96-469,385,463.15

Finding the Fourth Proportional to 776,161,551.87, 1,163,668,368.96 and 469,385,463.15

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Solution

The fourth proportional to 776,161,551.87, 1,163,668,368.96 and 469,385,463.15 is: 703,731,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,161,551.87 : 1,163,668,368.96 = 469,385,463.15 : x
  2. Step 2: Convert to fraction form
    776,161,551.87/1,163,668,368.96 = 469,385,463.15/x
  3. Step 3: Cross multiply
    776,161,551.87x = 1,163,668,368.96 × 469,385,463.15
  4. Step 4: Simplify right side
    776,161,551.87x = 546,209,016,317,294,656
  5. Step 5: Solve for x
    x = 546,209,016,317,294,656/776,161,551.87
  6. Step 6: Final answer
    x = 703,731,091.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.