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Finding the Fourth Proportional to 72,791,163,000.20, 109,186,744,500.30 and 72,791,163,000.20

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Solution

The fourth proportional to 72,791,163,000.20, 109,186,744,500.30 and 72,791,163,000.20 is: 109,186,744,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,791,163,000.20 : 109,186,744,500.30 = 72,791,163,000.20 : x
  2. Step 2: Convert to fraction form
    72,791,163,000.20/109,186,744,500.30 = 72,791,163,000.20/x
  3. Step 3: Cross multiply
    72,791,163,000.20x = 109,186,744,500.30 × 72,791,163,000.20
  4. Step 4: Simplify right side
    72,791,163,000.20x = 7,947,830,116,382,528,241,664
  5. Step 5: Solve for x
    x = 7,947,830,116,382,528,241,664/72,791,163,000.20
  6. Step 6: Final answer
    x = 109,186,744,500.30

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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.