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Finding the Fourth Proportional to 797,888,902.60, 1,196,833,353.90 and 779,972,998.60

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Solution

The fourth proportional to 797,888,902.60, 1,196,833,353.90 and 779,972,998.60 is: 1,169,959,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,888,902.60 : 1,196,833,353.90 = 779,972,998.60 : x
  2. Step 2: Convert to fraction form
    797,888,902.60/1,196,833,353.90 = 779,972,998.60/x
  3. Step 3: Cross multiply
    797,888,902.60x = 1,196,833,353.90 × 779,972,998.60
  4. Step 4: Simplify right side
    797,888,902.60x = 933,497,699,865,878,144
  5. Step 5: Solve for x
    x = 933,497,699,865,878,144/797,888,902.60
  6. Step 6: Final answer
    x = 1,169,959,497.90

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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.