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Finding the Fourth Proportional to 537,160,813.60, 805,741,220.40 and 537,160,813.60

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Solution

The fourth proportional to 537,160,813.60, 805,741,220.40 and 537,160,813.60 is: 805,741,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,160,813.60 : 805,741,220.40 = 537,160,813.60 : x
  2. Step 2: Convert to fraction form
    537,160,813.60/805,741,220.40 = 537,160,813.60/x
  3. Step 3: Cross multiply
    537,160,813.60x = 805,741,220.40 × 537,160,813.60
  4. Step 4: Simplify right side
    537,160,813.60x = 432,812,609,501,120,896
  5. Step 5: Solve for x
    x = 432,812,609,501,120,896/537,160,813.60
  6. Step 6: Final answer
    x = 805,741,220.40

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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.