Home / 863,642,848,793.60-1,191,864,595,539.80-478,267,194,645.03

Finding the Fourth Proportional to 863,642,848,793.60, 1,191,864,595,539.80 and 478,267,194,645.03

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Solution

The fourth proportional to 863,642,848,793.60, 1,191,864,595,539.80 and 478,267,194,645.03 is: 660,029,475,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,642,848,793.60 : 1,191,864,595,539.80 = 478,267,194,645.03 : x
  2. Step 2: Convert to fraction form
    863,642,848,793.60/1,191,864,595,539.80 = 478,267,194,645.03/x
  3. Step 3: Cross multiply
    863,642,848,793.60x = 1,191,864,595,539.80 × 478,267,194,645.03
  4. Step 4: Simplify right side
    863,642,848,793.60x = 570,029,736,505,553,532,747,776
  5. Step 5: Solve for x
    x = 570,029,736,505,553,532,747,776/863,642,848,793.60
  6. Step 6: Final answer
    x = 660,029,475,496.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.