Home / 291,221,210,401.84-436,831,815,603-81,841,959,457.84

Finding the Fourth Proportional to 291,221,210,401.84, 436,831,815,603 and 81,841,959,457.84

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Solution

The fourth proportional to 291,221,210,401.84, 436,831,815,603 and 81,841,959,457.84 is: 122,762,939,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,221,210,401.84 : 436,831,815,603 = 81,841,959,457.84 : x
  2. Step 2: Convert to fraction form
    291,221,210,401.84/436,831,815,603 = 81,841,959,457.84/x
  3. Step 3: Cross multiply
    291,221,210,401.84x = 436,831,815,603 × 81,841,959,457.84
  4. Step 4: Simplify right side
    291,221,210,401.84x = 35,751,171,742,475,361,452,032
  5. Step 5: Solve for x
    x = 35,751,171,742,475,361,452,032/291,221,210,401.84
  6. Step 6: Final answer
    x = 122,762,939,186.83

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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.