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Finding the Fourth Proportional to 953,857,459.40, 1,430,786,189.10 and 953,857,459.40

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Solution

The fourth proportional to 953,857,459.40, 1,430,786,189.10 and 953,857,459.40 is: 1,430,786,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,857,459.40 : 1,430,786,189.10 = 953,857,459.40 : x
  2. Step 2: Convert to fraction form
    953,857,459.40/1,430,786,189.10 = 953,857,459.40/x
  3. Step 3: Cross multiply
    953,857,459.40x = 1,430,786,189.10 × 953,857,459.40
  4. Step 4: Simplify right side
    953,857,459.40x = 1,364,766,079,279,533,824
  5. Step 5: Solve for x
    x = 1,364,766,079,279,533,824/953,857,459.40
  6. Step 6: Final answer
    x = 1,430,786,189.10

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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.