Home / 563,263,642,776.76-845,242,985,823.78-261,019,909,128.04

Finding the Fourth Proportional to 563,263,642,776.76, 845,242,985,823.78 and 261,019,909,128.04

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Solution

The fourth proportional to 563,263,642,776.76, 845,242,985,823.78 and 261,019,909,128.04 is: 391,690,907,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,263,642,776.76 : 845,242,985,823.78 = 261,019,909,128.04 : x
  2. Step 2: Convert to fraction form
    563,263,642,776.76/845,242,985,823.78 = 261,019,909,128.04/x
  3. Step 3: Cross multiply
    563,263,642,776.76x = 845,242,985,823.78 × 261,019,909,128.04
  4. Step 4: Simplify right side
    563,263,642,776.76x = 220,625,247,350,836,279,902,208
  5. Step 5: Solve for x
    x = 220,625,247,350,836,279,902,208/563,263,642,776.76
  6. Step 6: Final answer
    x = 391,690,907,410.97

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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.