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Finding the Fourth Proportional to 798,428,623.28, 1,197,642,934.91 and 798,428,623.28

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Solution

The fourth proportional to 798,428,623.28, 1,197,642,934.91 and 798,428,623.28 is: 1,197,642,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,428,623.28 : 1,197,642,934.91 = 798,428,623.28 : x
  2. Step 2: Convert to fraction form
    798,428,623.28/1,197,642,934.91 = 798,428,623.28/x
  3. Step 3: Cross multiply
    798,428,623.28x = 1,197,642,934.91 × 798,428,623.28
  4. Step 4: Simplify right side
    798,428,623.28x = 956,232,399,697,217,664
  5. Step 5: Solve for x
    x = 956,232,399,697,217,664/798,428,623.28
  6. Step 6: Final answer
    x = 1,197,642,934.91

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1.5x scale

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.