Home / 424,168,558.13-636,246,434.75-190,834,497.23

Finding the Fourth Proportional to 424,168,558.13, 636,246,434.75 and 190,834,497.23

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Solution

The fourth proportional to 424,168,558.13, 636,246,434.75 and 190,834,497.23 is: 286,248,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,168,558.13 : 636,246,434.75 = 190,834,497.23 : x
  2. Step 2: Convert to fraction form
    424,168,558.13/636,246,434.75 = 190,834,497.23/x
  3. Step 3: Cross multiply
    424,168,558.13x = 636,246,434.75 × 190,834,497.23
  4. Step 4: Simplify right side
    424,168,558.13x = 121,417,768,485,760,848
  5. Step 5: Solve for x
    x = 121,417,768,485,760,848/424,168,558.13
  6. Step 6: Final answer
    x = 286,248,865.36

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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.