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Finding the Fourth Proportional to 191,593,091,856.60, 287,389,637,784.90 and 191,593,091,856.60

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Solution

The fourth proportional to 191,593,091,856.60, 287,389,637,784.90 and 191,593,091,856.60 is: 287,389,637,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,593,091,856.60 : 287,389,637,784.90 = 191,593,091,856.60 : x
  2. Step 2: Convert to fraction form
    191,593,091,856.60/287,389,637,784.90 = 191,593,091,856.60/x
  3. Step 3: Cross multiply
    191,593,091,856.60x = 287,389,637,784.90 × 191,593,091,856.60
  4. Step 4: Simplify right side
    191,593,091,856.60x = 55,061,869,270,757,355,290,624
  5. Step 5: Solve for x
    x = 55,061,869,270,757,355,290,624/191,593,091,856.60
  6. Step 6: Final answer
    x = 287,389,637,784.90

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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.