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Finding the Fourth Proportional to 888,748,897.40, 1,241,187,356.20 and 888,748,897.40

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Solution

The fourth proportional to 888,748,897.40, 1,241,187,356.20 and 888,748,897.40 is: 1,241,187,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,748,897.40 : 1,241,187,356.20 = 888,748,897.40 : x
  2. Step 2: Convert to fraction form
    888,748,897.40/1,241,187,356.20 = 888,748,897.40/x
  3. Step 3: Cross multiply
    888,748,897.40x = 1,241,187,356.20 × 888,748,897.40
  4. Step 4: Simplify right side
    888,748,897.40x = 1,103,103,894,289,571,072
  5. Step 5: Solve for x
    x = 1,103,103,894,289,571,072/888,748,897.40
  6. Step 6: Final answer
    x = 1,241,187,356.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.