Home / 1,176,273,132,969.40-1,764,922,910,417-411,909,891,615.20

Finding the Fourth Proportional to 1,176,273,132,969.40, 1,764,922,910,417 and 411,909,891,615.20

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Solution

The fourth proportional to 1,176,273,132,969.40, 1,764,922,910,417 and 411,909,891,615.20 is: 618,044,554,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,273,132,969.40 : 1,764,922,910,417 = 411,909,891,615.20 : x
  2. Step 2: Convert to fraction form
    1,176,273,132,969.40/1,764,922,910,417 = 411,909,891,615.20/x
  3. Step 3: Cross multiply
    1,176,273,132,969.40x = 1,764,922,910,417 × 411,909,891,615.20
  4. Step 4: Simplify right side
    1,176,273,132,969.40x = 726,989,204,739,049,832,579,072
  5. Step 5: Solve for x
    x = 726,989,204,739,049,832,579,072/1,176,273,132,969.40
  6. Step 6: Final answer
    x = 618,044,554,757.30

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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.