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Finding the Fourth Proportional to 1,086,506,316.90, 1,629,759,475.35 and 1,086,506,316.90

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Solution

The fourth proportional to 1,086,506,316.90, 1,629,759,475.35 and 1,086,506,316.90 is: 1,629,759,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,506,316.90 : 1,629,759,475.35 = 1,086,506,316.90 : x
  2. Step 2: Convert to fraction form
    1,086,506,316.90/1,629,759,475.35 = 1,086,506,316.90/x
  3. Step 3: Cross multiply
    1,086,506,316.90x = 1,629,759,475.35 × 1,086,506,316.90
  4. Step 4: Simplify right side
    1,086,506,316.90x = 1,770,743,964,995,404,800
  5. Step 5: Solve for x
    x = 1,770,743,964,995,404,800/1,086,506,316.90
  6. Step 6: Final answer
    x = 1,629,759,475.35

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Double scale
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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.