Home / 756,836,006.40-1,135,254,009.60-552,762,662.40

Finding the Fourth Proportional to 756,836,006.40, 1,135,254,009.60 and 552,762,662.40

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Solution

The fourth proportional to 756,836,006.40, 1,135,254,009.60 and 552,762,662.40 is: 829,143,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,836,006.40 : 1,135,254,009.60 = 552,762,662.40 : x
  2. Step 2: Convert to fraction form
    756,836,006.40/1,135,254,009.60 = 552,762,662.40/x
  3. Step 3: Cross multiply
    756,836,006.40x = 1,135,254,009.60 × 552,762,662.40
  4. Step 4: Simplify right side
    756,836,006.40x = 627,526,028,846,771,072
  5. Step 5: Solve for x
    x = 627,526,028,846,771,072/756,836,006.40
  6. Step 6: Final answer
    x = 829,143,993.60

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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.