Home / 829,323,577.71-1,243,990,017.03-276,624,488.82

Finding the Fourth Proportional to 829,323,577.71, 1,243,990,017.03 and 276,624,488.82

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Solution

The fourth proportional to 829,323,577.71, 1,243,990,017.03 and 276,624,488.82 is: 414,938,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,323,577.71 : 1,243,990,017.03 = 276,624,488.82 : x
  2. Step 2: Convert to fraction form
    829,323,577.71/1,243,990,017.03 = 276,624,488.82/x
  3. Step 3: Cross multiply
    829,323,577.71x = 1,243,990,017.03 × 276,624,488.82
  4. Step 4: Simplify right side
    829,323,577.71x = 344,118,102,558,106,816
  5. Step 5: Solve for x
    x = 344,118,102,558,106,816/829,323,577.71
  6. Step 6: Final answer
    x = 414,938,284.41

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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.