Home / 424,168,554.38-636,246,429.12-190,834,493.48

Finding the Fourth Proportional to 424,168,554.38, 636,246,429.12 and 190,834,493.48

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Solution

The fourth proportional to 424,168,554.38, 636,246,429.12 and 190,834,493.48 is: 286,248,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,168,554.38 : 636,246,429.12 = 190,834,493.48 : x
  2. Step 2: Convert to fraction form
    424,168,554.38/636,246,429.12 = 190,834,493.48/x
  3. Step 3: Cross multiply
    424,168,554.38x = 636,246,429.12 × 190,834,493.48
  4. Step 4: Simplify right side
    424,168,554.38x = 121,417,765,026,392,688
  5. Step 5: Solve for x
    x = 121,417,765,026,392,688/424,168,554.38
  6. Step 6: Final answer
    x = 286,248,859.73

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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.