Home / 397,742,438,785.92-548,884,785,713.16-214,839,539,489.58

Finding the Fourth Proportional to 397,742,438,785.92, 548,884,785,713.16 and 214,839,539,489.58

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Solution

The fourth proportional to 397,742,438,785.92, 548,884,785,713.16 and 214,839,539,489.58 is: 296,478,683,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,742,438,785.92 : 548,884,785,713.16 = 214,839,539,489.58 : x
  2. Step 2: Convert to fraction form
    397,742,438,785.92/548,884,785,713.16 = 214,839,539,489.58/x
  3. Step 3: Cross multiply
    397,742,438,785.92x = 548,884,785,713.16 × 214,839,539,489.58
  4. Step 4: Simplify right side
    397,742,438,785.92x = 117,922,154,595,452,073,279,488
  5. Step 5: Solve for x
    x = 117,922,154,595,452,073,279,488/397,742,438,785.92
  6. Step 6: Final answer
    x = 296,478,683,429.91

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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.