Home / 793,312,406.40-1,189,968,609.60-551,447,702.40

Finding the Fourth Proportional to 793,312,406.40, 1,189,968,609.60 and 551,447,702.40

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Solution

The fourth proportional to 793,312,406.40, 1,189,968,609.60 and 551,447,702.40 is: 827,171,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,312,406.40 : 1,189,968,609.60 = 551,447,702.40 : x
  2. Step 2: Convert to fraction form
    793,312,406.40/1,189,968,609.60 = 551,447,702.40/x
  3. Step 3: Cross multiply
    793,312,406.40x = 1,189,968,609.60 × 551,447,702.40
  4. Step 4: Simplify right side
    793,312,406.40x = 656,205,455,692,042,496
  5. Step 5: Solve for x
    x = 656,205,455,692,042,496/793,312,406.40
  6. Step 6: Final answer
    x = 827,171,553.60

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Double scale
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Similar ratio
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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.