Home / 353,435,172,107.28-487,742,027,060.42-199,112,703,303.82

Finding the Fourth Proportional to 353,435,172,107.28, 487,742,027,060.42 and 199,112,703,303.82

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Solution

The fourth proportional to 353,435,172,107.28, 487,742,027,060.42 and 199,112,703,303.82 is: 274,776,369,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,435,172,107.28 : 487,742,027,060.42 = 199,112,703,303.82 : x
  2. Step 2: Convert to fraction form
    353,435,172,107.28/487,742,027,060.42 = 199,112,703,303.82/x
  3. Step 3: Cross multiply
    353,435,172,107.28x = 487,742,027,060.42 × 199,112,703,303.82
  4. Step 4: Simplify right side
    353,435,172,107.28x = 97,115,633,522,885,150,113,792
  5. Step 5: Solve for x
    x = 97,115,633,522,885,150,113,792/353,435,172,107.28
  6. Step 6: Final answer
    x = 274,776,369,719.67

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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.