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Finding the Fourth Proportional to 1,235,841,218.80, 1,735,015,000.40 and 1,235,841,218.80

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Solution

The fourth proportional to 1,235,841,218.80, 1,735,015,000.40 and 1,235,841,218.80 is: 1,735,015,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,841,218.80 : 1,735,015,000.40 = 1,235,841,218.80 : x
  2. Step 2: Convert to fraction form
    1,235,841,218.80/1,735,015,000.40 = 1,235,841,218.80/x
  3. Step 3: Cross multiply
    1,235,841,218.80x = 1,735,015,000.40 × 1,235,841,218.80
  4. Step 4: Simplify right side
    1,235,841,218.80x = 2,144,203,052,730,618,624
  5. Step 5: Solve for x
    x = 2,144,203,052,730,618,624/1,235,841,218.80
  6. Step 6: Final answer
    x = 1,735,015,000.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.