Home / 756,836,013.40-1,135,254,020.10-552,762,669.40

Finding the Fourth Proportional to 756,836,013.40, 1,135,254,020.10 and 552,762,669.40

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Solution

The fourth proportional to 756,836,013.40, 1,135,254,020.10 and 552,762,669.40 is: 829,144,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,836,013.40 : 1,135,254,020.10 = 552,762,669.40 : x
  2. Step 2: Convert to fraction form
    756,836,013.40/1,135,254,020.10 = 552,762,669.40/x
  3. Step 3: Cross multiply
    756,836,013.40x = 1,135,254,020.10 × 552,762,669.40
  4. Step 4: Simplify right side
    756,836,013.40x = 627,526,042,597,557,120
  5. Step 5: Solve for x
    x = 627,526,042,597,557,120/756,836,013.40
  6. Step 6: Final answer
    x = 829,144,004.10

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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.