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Finding the Fourth Proportional to 628,851,451.40, 943,277,177.10 and 628,851,451.40

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Solution

The fourth proportional to 628,851,451.40, 943,277,177.10 and 628,851,451.40 is: 943,277,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,851,451.40 : 943,277,177.10 = 628,851,451.40 : x
  2. Step 2: Convert to fraction form
    628,851,451.40/943,277,177.10 = 628,851,451.40/x
  3. Step 3: Cross multiply
    628,851,451.40x = 943,277,177.10 × 628,851,451.40
  4. Step 4: Simplify right side
    628,851,451.40x = 593,181,221,891,829,888
  5. Step 5: Solve for x
    x = 593,181,221,891,829,888/628,851,451.40
  6. Step 6: Final answer
    x = 943,277,177.10

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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.