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Finding the Fourth Proportional to 530,655,344.40, 795,983,016.60 and 530,655,344.40

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Solution

The fourth proportional to 530,655,344.40, 795,983,016.60 and 530,655,344.40 is: 795,983,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,655,344.40 : 795,983,016.60 = 530,655,344.40 : x
  2. Step 2: Convert to fraction form
    530,655,344.40/795,983,016.60 = 530,655,344.40/x
  3. Step 3: Cross multiply
    530,655,344.40x = 795,983,016.60 × 530,655,344.40
  4. Step 4: Simplify right side
    530,655,344.40x = 422,392,641,810,423,936
  5. Step 5: Solve for x
    x = 422,392,641,810,423,936/530,655,344.40
  6. Step 6: Final answer
    x = 795,983,016.60

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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.